INN monograph
Amoxicillin / Flucloxacillin
Dual penicillin combination · POM
Source-linked · Updated 03 Aug 2026 · Source: Local active-ingredient clinical extract; FDA drug label via OpenFDA/DailyMed; Batch A alphabetical research (INN; confirm vs SmPC/local guidelines); Component monographs (multi-source pipeline)
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Risk first
Contraindications
- (e.g., anaphylaxis or Stevens-Johnson syndrome) to amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL or any other beta-lactams (e.g., penicillins or cephalosporins).
- ( 4.1 ) History of cholestatic jaundice/hepatic dysfunction associated with amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL.
- ( 4.2 ) 4.1 Serious Hypersensitivity Reactions Amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL is contraindicated in patients with a history of serious hypersensitivity reactions (e.g., anaphylaxis or Stevens-Johnson syndrome) to amoxicillin, clavulanate, or to other beta-lactam antibacterial drugs (e.g., penicillins and cephalosporins). 4.2 Cholestatic Jaundice/Hepatic Dysfunction Amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL is contraindicated in patients with a previous history of cholestatic jaundice/hepatic dysfunction associated with treatment with amoxicillin and clavulanate potassium.
Precautions
- (including fatal) hypersensitivity reactions: Discontinue amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL if a reaction occurs and institute appropriate therapy.
- ( 5.1 ) Severe cutaneous adverse reactions (SCAR): Monitor closely.
- Discontinue if rash progresses.
- ( 5.2 ) Drug-induced enterocolitis syndrome (DIES) has been reported with use of amoxicillin, a component of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL.
- If this occurs, discontinue amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL and institute appropriate therapy.
- ( 5.3 ) Hepatic dysfunction and cholestatic jaundice: Discontinue if signs/symptoms of hepatitis occur.
- Monitor liver function tests in patients with hepatic impairment.
- ( 5.4 ) Clostridioides difficile - associated diarrhea (CDAD) (ranging from mild diarrhea to fatal colitis): Evaluate patients if diarrhea occurs.
- ( 5.5 ) Patients with mononucleosis who receive amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL develop skin rash.
- Avoid amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL use in these patients.
- ( 5.6 ) 5.1 Serious Allergic Reactions, including Anaphylaxis Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving beta-lactam antibacterials, including amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL.
- These reactions are more likely to occur in individuals with a history of penicillin hypersensitivity and/or a history of sensitivity to multiple allergens.
Point of care
Dosing
Adult
3 months to 12 years weighing less than or equal to 40 kg: 90 mg/kg/day divided every 12 hours, administered for 10 days. ( 2 ) 2.1 Important Administration Instructions To minimize the potential for gastrointestinal intolerance, amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL should be taken at the start of a meal. Absorption of clavulanate potassium may be enhanced when amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL is administered at the start of a meal. 2.2 Dosage in Pediatric Patients Pediatric patients aged 3 months to 12 years weighing less than or equal to 40 kg : Based on the amoxicillin component (600 mg/5 mL), the recommended dose of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL is 90 mg/kg/day divided every 12 hours, administered for 10 days (see Table 1 as a general example guideline for attainment of this dosage). This dose provides 6.4 mg/kg/day of the clavulanic acid component. Table 1: General Dosage Guidelines for Amoxicillin and Clavulanate Potassium for Oral Suspension, 600 mg/42.9 mg per 5 mL in Pediatric Patients Body Weight (kg) Volume of Amoxicillin and Clavulanate Potassium for Oral Suspension, 600 mg/42.9 mg per 5 mL providing 90 mg/kg/day 8 3 mL twice daily 12 4.5 mL twice daily 16 6 mL twice daily 20 7.5 mL twice daily 24 9 mL twice daily 28 10.5 mL twice daily 32 12 mL twice daily 36 13.5 mL twice daily 40 15 mL twice daily Pediatric patients weighing greater than 40 kg : Experience with amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL in this group is not available. 2.3 Dosage in Adult Patients Experience with amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL in adults is not available and adults who have difficulty swallowing should not be given amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL in place of the amoxicillin and clavulanate potassium 500 mg or 875 mg tablet. 2.4 Dosage in Patients with Hepatic Impairment Hepatically impaired patients should be dosed with caution and hepatic function monitored at regular intervals [see Warnings and Precautions (5.4) ]. 2.5 Preparation of the Oral Suspension Prepare the suspension at time of dispensing as follows: Tap bottle until all powder flows freely. Measure the total amount of water (see Table 2) to be added in two parts. Add approximately 2/3 of the total amount of water for reconstitution, replace cap and shake vigorously to suspend powder. Add remainder of the water (that had been measured), replace cap and again shake vigorously. Table 2: Volume of Water for Reconstituting Amoxicillin and Clavulanate Potassium for Oral Suspension, 600 mg/42.9 mg per 5 mL Bottle Size Amount of Water Required for Reconstitution 75 mL 68 mL 125 mL 108 mL 200 mL 170 mL Each 5 mL will contain 600 mg of amoxicillin as the trihydrate, and 42.9 mg of clavulanic acid as the potassium salt. Shake oral suspension well before each use. Suspension must be refrigerated. Discard after 10 days. Suspension is off-white at time of reconstitution; some color change is normal during the dosing period. Flavoring Information : For patients who wish to alter the taste of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL, immediately after reconstitution, 1 drop of FLAVORx ® (apple, banana cream, bubble gum, cherry, or watermelon flavor) may be added for every 5 mL of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL. The resulting suspension is stable for 10 days under refrigeration. Stability of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL when mixed with other flavors other than the 5 flavors listed above has not been evaluated. 2.6 Switching between Dosage Forms and between Strengths Amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL does not contain the same amount of clavulanic acid (as the potassium salt) as any of the other suspensions of amoxicillin and clavulanate potassium. Amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL contains 42.9 mg of clavulanic acid per 5 mL, whereas the amoxicillin and clavulanate potassium, 200 mg/28.5 mg per 5 mL suspension contains 28.5 mg of clavulanic acid per 5 mL and the 400 mg/57 mg per 5 mL suspension contains 57 mg of clavulanic acid per 5 mL. Therefore, the amoxicillin and clavulanate potassium 200 mg/28.5 mg per 5 mL and 400 mg/57 mg per 5 mL suspensions should not be substituted for amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL as they are not interchangeable.
Paediatric
See label paediatric section if present; otherwise use paediatric formulary — do not extrapolate adult doses.
Renal
Adjust severe RI.
- CrCl 0–120: See renal_dose_adjustment; confirm product SmPC.
Hepatic
Flucloxacillin hepatic caution.
Safety
Drug interactions
- The addition of flucloxacillin increases the activity spectrum by including the activity against penicillinase producing organisms.
- Fixed-dose/multi-ingredient product.
- Clinical details partially inherited from component monographs: Amoxicillin, Flucloxacillin.
- Confirm combination SmPC for exact dosing.
Safety
Adverse effects
- labeling: Anaphylactic reactions [see Warnings and Precautions (5.1) ] Severe Cutaneous Adverse Reactions (SCAR) [see Warnings and Precautions (5.2) ] Drug-Induced Enterocolitis Syndrome (DIES) [see Warnings and Precautions (5.3) ] Hepatic Dysfunction [see Warnings and Precautions (5.4) ] Clostridioides difficile- Associated Diarrhea (CDAD) [see Warnings and Precautions (5.5) ] Skin Rash in Patients with Mononucleosis [see Warnings and Precautions (5.6) ] The most frequently reported adverse reactions (incidence rate > 4 %) were coughing, vomiting, contact dermatitis (i.e., diaper rash), fever, upper respiratory tract infection, and diarrhea.
- ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Chartwell RX, LLC. at 1-845-232-1683 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.
- Two clinical trials evaluated the safety of a 10-day treatment course of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL 90/6.4 mg/kg/day, divided every 12 hours, in pediatric patients with acute otitis media [see Clinical Studies (14)] .
- The first trial involved 521 pediatric patients (3 months to 50 months) and the second trial involved 450 pediatric patients (3 months to 12 years).
- In the intent-to-treat population of the first trial of 521 patients, the most frequently reported adverse events were vomiting (7%), fever (6%), contact dermatitis (i.e., diaper rash) (6%), upper respiratory tract infection (4%), and diarrhea (4%).
- Protocol-defined diarrhea (i.e., 3 or more watery stools in one day or 2 watery stools per day for 2 consecutive days as recorded on diary cards) occurred in 13% of patients.
- The primary objective of the second study was to compare the safety of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL (90/6.4 mg/kg/day, divided every 12 hours) to amoxicillin and clavulanate potassium (45/6.4 mg/kg/day, divided every 12 hours) for ten days.
- There was no statistically significant difference between treatments in the proportion of patients with 1 or more adverse events.
- The most frequently reported adverse reactions for amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL and the comparator of amoxicillin and clavulanate potassium were coughing (12% versus 7%), vomiting (7% versus 8%), contact dermatitis (i.e., diaper rash, 6% versus 5%), fever (6% versus 4%), and upper respiratory infection (3% versus 9%), respectively.
- The frequencies of protocol-defined diarrhea with amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL (11%) and amoxicillin and clavulanate potassium (9%) were not statistically different.
- Two patients in the group treated with amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL and one patient in the group treated with amoxicillin and clavulanate potassium were withdrawn due to diarrhea. 6.2 Postmarketing Experience The following adverse reactions have been identified during postmarketing use of amoxicillin and clavulanate potassium products, including amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL.
- Because these reactions are reported voluntarily from a population of unknown size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.
- Gastrointestinal: Drug-induced enterocolitis syndrome (DIES), diarrhea, nausea, vomiting, indigestion, gastritis, stomatitis, glossitis, black “hairy” tongue, mucocutaneous candidiasis, enterocolitis, and hemorrhagic/pseudomembranous colitis.
- Onset of pseudomembranous colitis symptoms may occur during or after antibacterial treatment [see Warnings and Precautions ( 5.3 , 5.5 )].
Use
Indications
- 1 INDICATIONS AND USAGE Amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL is indicated for the treatment of pediatric patients aged 3 months to 12 years weighing less than or equal to 40 kg with: Recurrent or persistent acute otitis media due to S. pneumoniae (penicillin MICs less than or equal to 2 mcg/mL), H. influenzae (including beta-lactamase-producing strains), or M. catarrhalis (including beta-lactamase-producing strains) characterized by the following risk factors: Antibacterial drug exposure for acute otitis media within the preceding 3 months, and either of the following: 1) age 2 years, or younger or 2) day care attendance [see Microbiology (12.4) ] .
- Limitations of Use Amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL is not indicated for the treatment of acute otitis media due to S. pneumoniae with penicillin MIC greater than or equal to 4 mcg/mL.
- Acute otitis media due to S. pneumoniae alone can be treated with amoxicillin.
- Therapy may be instituted prior to obtaining the results from bacteriological studies when there is reason to believe the infection may involve both S . pneumoniae (penicillin MIC less than or equal to 2 mcg/mL) and the beta-lactamase-producing organisms listed above.
- Usage To reduce the development of drug-resistant bacteria and maintain the effectiveness of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL and other antibacterial drugs, amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL should be used only to treat or prevent infections that are proven or strongly suspected to be caused by susceptible bacteria.
- When culture and susceptibility information are available, they should be considered in selecting or modifying antibacterial therapy.
- In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy.
- Amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL is a combination of amoxicillin, a penicillin-class antibacterial and clavulanate potassium, a beta-lactamase inhibitor, indicated for the treatment of pediatric patients aged 3 months to 12 years weighing less than or equal to 40 kg with Recurrent or persistent acute otitis media due to S. pneumoniae (penicillin MICs less than or equal to 2 mcg/mL), H. influenzae (including beta-lactamase-producing strains), or M. catarrhalis (including beta-lactamase-producing strains) characterized by the following risk factors (1): Antibacterial exposure for acute otitis media within the preceding 3 months, and either of the following: 1) age 2 years, or younger or 2) daycare attendance.
- Limitations of Use Amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL is not indicated for the treatment of acute otitis media due to S. pneumoniae with penicillin MIC greater than or equal to 4 mcg/mL.
- Acute otitis media due to S. pneumoniae alone can be treated with amoxicillin.
- Therapy may be instituted prior to obtaining the results from bacteriological studies when there is reason to believe the infection may involve both S. pneumoniae (penicillin MIC less than or equal to 2 mcg/mL) and the beta-lactamase-producing organisms listed above.
- ( 1 ) Usage To reduce the development of drug-resistant bacteria and maintain the effectiveness of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL and other antibacterial drugs, amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria.
Pharmacology
Mode of action
Amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.
Full mechanism text
Amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL is an antibacterial drug [see Penicillins bind penicillin-binding proteins (PBPs) and inhibit the final transpeptidation step of peptidoglycan synthesis, weakening the bacterial cell wall. Osmotic lysis follows; activity is bactericidal against susceptible organisms in the growth phase. Spectrum and beta-lactamase stability vary by agent (narrow natural penicillins vs aminopenicillins vs antipseudomonal/anti-staphylococcal agents).
ADME
Pharmacokinetics & PD
| Onset | Within 1 hour (oral); faster IV |
|---|---|
| Duration | 4–8 hours typical (agent/formulation dependent) |
| Route | ORAL / PARENTERAL (agent-dependent) |
| Absorption | of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL has not been studied. Approximately 50% to 70% of the amoxicillin and approximately 25% to 40% of the clavulanic acid are excreted unchanged in urine during the first 6 hours after administratio... |
| Elimination | but does not delay renal excretion of clavulanic acid. 12.4 Microbiology Mechanism of Action Amoxicillin is a semisynthetic antibacterial with a broad spectrum of bactericidal activity against many gram-positive and gram-negative microorganisms. Amoxicillin is, however, susceptib... |
Full PK/PD text
12 CLINICAL PHARMACOLOGY 12.1 Mechanism of Action Amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL is an antibacterial drug [see Microbiology (12.4) ]. 12.3 Pharmacokinetics The pharmacokinetics of amoxicillin and clavulanate were determined in a study of 19 pediatric patients, 8 months to 11 years, given amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL at an amoxicillin dose of 45 mg/kg q12h with a snack or meal. The mean plasma amoxicillin and clavulanate pharmacokinetic parameter values are listed in Table 3. Table 3. Mean (±SD) Plasma Amoxicillin and Clavulanate Pharmacokinetic Parameter Values Following Administration of 45 mg/kg of Amoxicillin and Clavulanate Potassium for Oral Suspension, 600 mg/42.9 mg per 5 mL Every 12 Hours to Pediatric Patients Parameter Amoxicillin Clavulanate C max (mcg/mL) 15.7 ± 7.7 1.7 ± 0.9 T max (hr) 2.0 (1.0 to 4.0) 1.1 (1.0 to 4.0) AUC 0-T (mcg * hr/mL) 59.8 ± 20.0 4.0 ± 1.9 T 1/2 (hr) 1.4 ± 0.3 1.1 ± 0.3 CL/F (L/hr/kg) 0.9 ± 0.4 1.1 ± 1.1 * Arithmetic mean ± standard deviation, except T max values which are medians (ranges). The effect of food on the oral absorption of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL has not been studied. Approximately 50% to 70% of the amoxicillin and approximately 25% to 40% of the clavulanic acid are excreted unchanged in urine during the first 6 hours after administration of 10 mL of amoxicillin and clavulanate potassium, 250 mg/62.5 mg per 5 mL suspension. Neither component in amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL is highly protein-bound; clavulanic acid has been found to be approximately 25% bound to human serum and amoxicillin approximately 18% bound. Oral administration of a single dose of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL at 45 mg/kg (based on the amoxicillin component) to pediatric patients, 9 months to 8 years, yielded the following pharmacokinetic data for amoxicillin in plasma and middle ear fluid (MEF): Table 4. Amoxicillin Concentrations in Plasma and Middle Ear Fluid Following Administration of 45 mg/kg of Amoxicillin and Clavulanate Potassium for Oral Suspension, 600 mg/42.9 mg per 5 mL to Pediatric Patients * Timepoint Amoxicillin concentration in plasma (mcg/mL) Amoxicillin concentration in MEF (mcg/mL) 1 hour mean median range 7.7 9.3 1.5 to 14.0 (n = 5) 3.2 3.5 0.2 to 5.5 (n = 4) 2 hour mean median range 15.7 13.0 11.0 to 25.0 (n = 7) 3.3 2.4 1.9 to 6 (n = 5) 3 hour mean median range 13.0 12.0 5.5 to 21.0 (n = 5) 5.8 6.5 3.9 to 7.4 (n = 5) * Dose administered immediately prior to eating. Amoxicillin diffuses readily into most body tissues and fluids, with the exception of the brain and spinal fluid. The results of experiments involving the administration of clavulanic acid to animals suggest that this compound, like amoxicillin, is well distributed in body tissues. Drug Interaction Studies Clinical Studies Concurrent administration of probenecid delays amoxicillin excretion but does not delay renal excretion of clavulanic acid. 12.4 Microbiology Mechanism of Action Amoxicillin is a semisynthetic antibacterial with a broad spectrum of bactericidal activity against many gram-positive and gram-negative microorganisms. Amoxicillin is, however, susceptible to degradation by beta-lactamases, and therefore, its spectrum of activity does not include organisms which produce these enzymes. Clavulanic acid is a beta-lactam, structurally related to penicillin, which possesses the ability to inactivate a wide range of beta-lactamase enzymes commonly found in microorganisms resistant to penicillins and cephalosporins. In particular, it has good activity against the clinically important plasmid-mediated beta-lactamases frequently found responsible for transferred drug resistance. The clavulanic acid component of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL protects amoxicillin from degradation by beta-lactamase enzymes and effectively extends the antibacterial spectrum of amoxicillin to include many bacteria normally resistant to amoxicillin and other beta-lactam antibacterials. Thus, amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL possesses the distinctive properties of a broad spectrum antibacterial and a beta-lactamase inhibitor. Antimicrobial Activity Amoxicillin/clavulanic acid has been shown to be active against most isolates of the following microorganisms, both in vitro and in clinical infections [see Indications and Usage (1) ] . Gram-positive bacteria: Streptococcus pneumoniae (including isolates with penicillin MICs less than or equal to 2 mcg/mL) Gram-negative bacteria: Haemophilus influenzae (including beta-lactamase-producing isolates) Moraxella catarrhalis (including beta-lactamase-producing isolates) The following in vitro data are available, but their clinical significance is unknown. At least 90% of the following microorganisms exhibit in vitro minimum inhibitory concentrations (MICs) less than or equal to the susceptible breakpoint for amoxicillin/clavulanic acid. However, the safety and efficacy of amoxicillin/clavulanic acid in treating infections due to these microorganisms have not been established in adequate and well-controlled trials. Gram-positive bacteria: Staphylococcus aureus (including beta-lactamase-producing isolates) Staphylococci which are resistant to methicillin/oxacillin must be considered resistant to amoxicillin/clavulanic acid. Streptococcus pyogenes S. pyogenes do not produce beta-lactamase, and therefore, are susceptible to amoxicillin alone. Adequate and well-controlled clinical trials have established the effectiveness of amoxicillin alone in treating certain clinical infections due to S. pyogenes. Susceptibility Test Methods: For specific information regarding susceptibility test interpretive criteria and associated test methods and quality control standards recognized by FDA for this drug, please see: https://www.fda.gov/STIC .
Kenya
Brands & prices
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Special populations
Pregnancy & lactation
Pregnancy
8.1 Pregnancy Risk Summary Available data from published epidemiologic studies and pharmacovigilance case reports over several decades of use with amoxicillin and clavulanate during pregnancy have not established a drug-associated risk of major birth defects, miscarriage, or adverse maternal outcomes. A study in women with preterm prelabor rupture of membranes (PPROM) reported that prophylactic treatment with amoxicillin and clavulanate may be associated with an increased risk of necrotizing enterocolitis in neonates (see Data) . Reproduction studies performed in pregnant rodents, given up to approximately 2 times the amount of amoxicillin and 15 times the amount of clavulanate in the Maximum Human Recommended Dose (MHRD) of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL, revealed no evidence of harm to the fetus (see Data) . The background risk of major birth defects and miscarriage for the indicated populations is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively. Data Human Data One randomized, controlled trial included 4,826 pregnant women with premature rupture of fetal membranes who were randomly assigned to 250 mg erythromycin (n=1,197), 250 mg amoxicillin and 125 mg clavulanic acid (amoxicillin and clavulanate, n=1,212), amoxicillin and clavulanate and erythromycin (n=1,192), or placebo (n=1,225) four times daily for 10 days or until delivery. Amoxicillin and clavulanate was associated with a significantly increased rate of proven neonatal necrotizing enterocolitis: 1.9% (n = 24) in the amoxicillin and clavulanate only group versus 0.5% (n= 6) in the placebo group (p = 0.001), and 1.8% (n = 44) in the any amoxicillin and clavulanate group versus 0.7% (n =17) in the no amoxicillin and clavulanate group (p = 0.0005). Animal Data Reproduction studies performed in pregnant rats and mice given amoxicillin and clavulanate (2:1 ratio formulation of amoxicillin:clavulanate) at oral doses up to 1200 mg/kg/day revealed no evidence of harm to the fetus due to amoxicillin and clavulanate. The amoxicillin doses in rodents (based on body surface area and assuming a 20 kg child) were approximately 2 times (rats) or equal to (mice) the recommended clinical amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL dose of 90/6.4 mg/kg/day. For clavulanate, these dose multiples were approximately 15 times and 7.5 times the recommended daily dose of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL. 8.2 Lactation Risk Summary Data from a published clinical lactation study report that amoxicillin is present in human milk. There are reports of diarrhea, irritability, and rash in infants exposed to amoxicillin and clavulanate through breast milk; therefore, infants exposed to amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL should be monitored for these symptoms. There are no data on the effects of amoxicillin and clavulanate on milk production. The developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL and any potential adverse effects on the breastfed child from amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL or from the underlying maternal condition. 8.4 Pediatric Use Acute Otitis Media The safety and effectiveness of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL have been established in pediatric patients aged 3 months to 12 years weighing less than or equal to 40 kg, for the treatment of acute otitis media, and the information on this use is discussed throughout the labeling. The safety and effectiveness of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL in pediatric patients younger than 3 months of age have not been established. The safety and effectiveness of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL have not been established in pediatric patients aged 3 months to 12 years weighing more than 40 kg. Acute Bacterial Sinusitis The safety and effectiveness of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL have been established for the treatment of pediatric patients (3 months to 12 years of age) with acute bacterial sinusitis. This use is supported by evidence from adequate and well-controlled studies of amoxicillin and clavulanate potassium extended-release tablets in adults with acute bacterial sinusitis, studies of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL in pediatric patients with acute otitis media, and by similar pharmacokinetics of amoxicillin and clavulanate in pediatric patients taking amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL [see Clinical Pharmacology (12) ] and adults taking amoxicillin and clavulanate potassium extended-release tablets.
Lactation
8.1 Pregnancy Risk Summary Available data from published epidemiologic studies and pharmacovigilance case reports over several decades of use with amoxicillin and clavulanate during pregnancy have not established a drug-associated risk of major birth defects, miscarriage, or adverse maternal outcomes. A study in women with preterm prelabor rupture of membranes (PPROM) reported that prophylactic treatment with amoxicillin and clavulanate may be associated with an increased risk of necrotizing enterocolitis in neonates (see Data) . Reproduction studies performed in pregnant rodents, given up to approximately 2 times the amount of amoxicillin and 15 times the amount of clavulanate in the Maximum Human Recommended Dose (MHRD) of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL, revealed no evidence of harm to the fetus (see Data) . The background risk of major birth defects and miscarriage for the indicated populations is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively. Data Human Data One randomized, controlled trial included 4,826 pregnant women with premature rupture of fetal membranes who were randomly assigned to 250 mg erythromycin (n=1,197), 250 mg amoxicillin and 125 mg clavulanic acid (amoxicillin and clavulanate, n=1,212), amoxicillin and clavulanate and erythromycin (n=1,192), or placebo (n=1,225) four times daily for 10 days or until delivery. Amoxicillin and clavulanate was associated with a significantly increased rate of proven neonatal necrotizing enterocolitis: 1.9% (n = 24) in the amoxicillin and clavulanate only group versus 0.5% (n= 6) in the placebo group (p = 0.001), and 1.8% (n = 44) in the any amoxicillin and clavulanate group versus 0.7% (n =17) in the no amoxicillin and clavulanate group (p = 0.0005). Animal Data Reproduction studies performed in pregnant rats and mice given amoxicillin and clavulanate (2:1 ratio formulation of amoxicillin:clavulanate) at oral doses up to 1200 mg/kg/day revealed no evidence of harm to the fetus due to amoxicillin and clavulanate. The amoxicillin doses in rodents (based on body surface area and assuming a 20 kg child) were approximately 2 times (rats) or equal to (mice) the recommended clinical amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL dose of 90/6.4 mg/kg/day. For clavulanate, these dose multiples were approximately 15 times and 7.5 times the recommended daily dose of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL. 8.2 Lactation Risk Summary Data from a published clinical lactation study report that amoxicillin is present in human milk. There are reports of diarrhea, irritability, and rash in infants exposed to amoxicillin and clavulanate through breast milk; therefore, infants exposed to amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL should be monitored for these symptoms. There are no data on the effects of amoxicillin and clavulanate on milk production. The developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL and any potential adverse effects on the breastfed child from amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL or from the underlying maternal condition. 8.4 Pediatric Use Acute Otitis Media The safety and effectiveness of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL have been established in pediatric patients aged 3 months to 12 years weighing less than or equal to 40 kg, for the treatment of acute otitis media, and the information on this use is discussed throughout the labeling. The safety and effectiveness of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL in pediatric patients younger than 3 months of age have not been established. The safety and effectiveness of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL have not been established in pediatric patients aged 3 months to 12 years weighing more than 40 kg. Acute Bacterial Sinusitis The safety and effectiveness of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL have been established for the treatment of pediatric patients (3 months to 12 years of age) with acute bacterial sinusitis. This use is supported by evidence from adequate and well-controlled studies of amoxicillin and clavulanate potassium extended-release tablets in adults with acute bacterial sinusitis, studies of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL in pediatric patients with acute otitis media, and by similar pharmacokinetics of amoxicillin and clavulanate in pediatric patients taking amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL [see Clinical Pharmacology (12) ] and adults taking amoxicillin and clavulanate potassium extended-release tablets.
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- Drug & food interactions (label) 7 DRUG INTERACTIONS Coadministration with probenecid is not recommended. ( 7.1 ) Concomitant use of amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL with oral anticoagulants may increase the prolongation of prothrombin time. ( 7.2 ) Coadministration with allopurinol increases the risk of rash. ( 7.3 ) Amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL may reduce efficacy of oral contraceptives. ( 7.4 ) 7.1 Probenecid Probenecid decreases the renal tubular secretion of amoxicillin. Concurrent use with amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL may result in increased and prolonged blood levels of amoxicillin. Coadministration of probenecid is not recommended. 7.2 Oral Anticoagulants Abnormal prolongation of prothrombin time (increased international normalized ratio [INR]) has been reported in patients receiving amoxicillin and oral anticoagulants. Appropriate monitoring should be undertaken when anticoagulants are prescribed concurrently. Adjustments in the dose of oral anticoagulants may be necessary to maintain the desired level of anticoagulation. 7.3 Allopurinol The concurrent administration of allopurinol and amoxicillin increases substantially the incidence of rashes in patients receiving both drugs as compared to patients receiving amoxicillin alone. It is not known whether this potentiation of amoxicillin rashes is due to allopurinol or the hyperuricemia present in these patients. There are no data with amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL and allopurinol administered concurrently. 7.4 Oral Contraceptives Amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL may affect intestinal flora, leading to lower estrogen reabsorption and reduced efficacy of combined oral estrogen/progesterone contraceptives. 7.5 Effects on Laboratory Tests High urine concentrations of amoxicillin may result in false-positive reactions when testing for the presence of glucose in urine using CLINITEST ® , Benedict’s Solution, or Fehling’s Solution. Since this effect may also occur with amoxicillin and clavulanate potassium for oral suspension, 600 mg/42.9 mg per 5 mL, it is recommended that glucose tests based on enzymatic glucose oxidase reactions be used. Following administration of amoxicillin to pregnant women, a transient decrease in plasma concentration of total conjugated estriol, estriol-glucuronide, conjugated estrone, and estradiol has been noted.
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Source: Local active-ingredient clinical extract; FDA drug label via OpenFDA/DailyMed; Batch A alphabetical research (INN; confirm vs SmPC/local guidelines); Component monographs (multi-source pipeline)
Clinical review date not recorded.
Decision support only — not a substitute for clinical judgment, product SmPC, or Kenya STG/EML.