INN monograph
Paracetamol / Lidocaine
Non-opioid analgesic / antipyretic · POM
Source-linked · Updated 03 Aug 2026 · Source: Local active-ingredient clinical extract; RxNorm (NLM RxNav); PubChem; Component monographs (multi-source pipeline)
Kenya market
Wholesale / list prices where loaded
Risk first
Contraindications
- [Paracetamol] Severe active hepatic disease / acute liver failure.
- Hypersensitivity.
- Chronic heavy alcohol use — use reduced maximum daily dose or avoid. [Lidocaine] [From component Lidocaine [Lignocaine]] Known hypersensitivity to the amide-type local anesthetics
- patients with Adams-Stokes syndrome or with severe degrees of SA, AV, or intraventricular heart block in the absence of an artificial pacemaker.
Precautions
- [From component Paracetamol] Risk of severe hepatotoxicity in overdose.
- Chronic high-dose use, malnutrition, enzyme-inducing drugs, and alcohol increase risk.
- Check total daily intake from all sources.
Point of care
Dosing
Adult
Dosing is indication-, age-, weight- and organ-function-specific for this INN. Do not use class averages for high-risk patients. Confirm the exact regimen in the current SmPC and Kenya Standard Treatment Guidelines. Typical professional workflow: (1) confirm indication, (2) check renal/hepatic function, (3) screen interactions/allergies, (4) select dose/route/duration, (5) define monitoring.
Paediatric
Paediatric dosing is weight- and age-based; use a paediatric formulary / SmPC. Do not extrapolate adult tablets without calculation.
Renal
Generally safe; prolonged high dose rare associations — prefer careful use in advanced CKD.
- CrCl 0–120: Confirm renal dosing in product SmPC / primary label.
Hepatic
PRIMARY toxicity organ in overdose; therapeutic doses usually safe if daily limits respected.
Safety
Drug interactions
- Fixed-dose/multi-ingredient product.
- Clinical details partially inherited from component monographs: Paracetamol, Lidocaine [Lignocaine].
- Confirm combination SmPC for exact dosing.
Safety
Adverse effects
- [Paracetamol] Rare at therapeutic doses.
- Serious: acute liver failure in overdose, rare severe skin reactions (SJS/TEN/AGEP). [Lidocaine] [From component Lidocaine [Lignocaine]] Serious side effects are uncommon.
- Drowsiness
- dizziness
- disorientation
- confusion
- lightheadedness
- psychosis
- apprehension
- tinnitus
- visual disturbances including amblyopia or diplopia
- vomiting
- paraesthesia
- sensations of heat, cold, or numbness
Use
Indications
- Therapeutic use is agent- and indication-specific within the class (Non-opioid analgesic / antipyretic).
- Use according to culture results, national guidelines (Kenya STG/EML where applicable) and the current product SmPC.
Pharmacology
Mode of action
Combination product.
Full mechanism text
Combination product. Component mechanism (Paracetamol): Inhibitors of cyclo-oxygenase [COX-1 and COX-2] enzyme that catalyzes the conversion of arachidonic acid to PGH2.
ADME
Pharmacokinetics & PD
| Onset | 30–60 minutes oral |
|---|---|
| Duration | 4–6 hours |
| Route | ORAL / RECTAL / IV |
| Metabolism | (glucuronidation/sulfation); toxic NAPQI pathway via CYP2E1 when pathways saturated or glutathione depleted. |
| Half-life | ~2–3 h; prolonged in liver disease/overdose. |
Full PK/PD text
Rapid oral absorption. Hepatic metabolism (glucuronidation/sulfation); toxic NAPQI pathway via CYP2E1 when pathways saturated or glutathione depleted. Half-life ~2–3 h; prolonged in liver disease/overdose.
Kenya
Brands & prices
| Brand | Company | Pack | KES |
|---|---|---|---|
| No brands linked yet. | |||
Special populations
Pregnancy & lactation
Pregnancy
[Paracetamol] Analgesic/antipyretic of choice in pregnancy when needed; use lowest effective dose/shortest duration. [Lidocaine] [Lidocaine] Use only if potential benefit justifies potential risk; prefer agents with better reproductive data when alternatives exist. [Aminoacridine Mouth] Use only if potential benefit justifies potential risk; prefer agents with better reproductive data when alternatives exist.
Lactation
[Lidocaine] [Lidocaine] Assess infant risk vs benefit of maternal therapy; prefer agents with lactation data. [Aminoacridine Mouth] Assess infant risk vs benefit of maternal therapy; prefer agents with lactation data.
Diet
Food & alcohol
- Food
- Food
Trust
Sources & disclaimer
Source: Local active-ingredient clinical extract; RxNorm (NLM RxNav); PubChem; 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.