INN monograph
Pyridoxine
Vitamin C [EPC], Vitamin D [EPC], Vitamin B6 Analog [EPC] · POM
Source-linked · Updated 03 Aug 2026 · Source: Local active-ingredient clinical extract; FDA drug label via OpenFDA/DailyMed; RxNorm (NLM RxNav); PubChem
Kenya market
Wholesale / list prices where loaded
Risk first
Contraindications
- Hypervitaminosis risk states (hypercalcaemia for vitamin D/A).
- Iron: avoid in iron overload.
- Potassium: severe hyperkalaemia / untreated Addison's.
Precautions
- PRECAUTIONS: Folic acid alone is improper therapy in the treatment of pernicious anemia and other megaloblastic anemias where Vitamin B 12 is deficient.
- Folic acid in doses above 1.0 mg daily may obscure pernicious anemia in that hematologic remission can occur while neurological manifestations progress.
Point of care
Dosing
Adult
For adults - Vitamin B6 deficiency: 50mg OD to TID. Isoniazid-induced peripheral neuritis: 50mg TID. Idiopathic sideroblastic anemia:100mg TID to QID.
Paediatric
See label paediatric section if present; otherwise use paediatric formulary — do not extrapolate adult doses.
Renal
Fat-soluble vitamins and potassium need care in advanced CKD.
- CrCl 0–120: Confirm renal dosing in product SmPC / primary label.
Hepatic
Vitamin A toxicity hepatic; niacin hepatotoxicity at high dose.
Safety
Drug interactions
- Prefer food-first then targeted replacement.
- Document laboratory indication for high-dose therapy.
- Public health: vitamin A, iron, folate programmes per MoH guidance.
Safety
Adverse effects
- GI upset (iron, high-dose vitamin C).
- Hypercalcaemia (vitamin D excess).
- Neuropathy with B6 megadoses.
- Flushing (niacin).
Use
Indications
INDICATIONS: PNV-DHA is a multivitamin/multimineral fatty acid dietary supplement indicated for use in improving the nutritional status of women throughout pregnancy and in the postnatal period for both lactating and nonlactating mothers.
Pharmacology
Mode of action
Vitamins and minerals act as cofactors, antioxidants, structural elements or hormone precursors (e.
Full mechanism text
Vitamins and minerals act as cofactors, antioxidants, structural elements or hormone precursors (e.g. vitamin D endocrine axis). Pharmacological high-dose effects differ from nutritional repletion.
ADME
Pharmacokinetics & PD
| Onset | Days–weeks for repletion |
|---|---|
| Duration | Depends on stores and ongoing intake |
| Route | ORAL / IM / IV (selected) |
| Absorption | depends on GI integrity, food matrix and binders (e.g. calcium/iron interactions). Fat-soluble vitamins (A,D,E,K) accumulate; water-soluble generally renally cleared. |
Kenya
Brands & prices
| Brand | Company | Pack | KES |
|---|---|---|---|
| PYRIDOXINE | DAIMA BIASHARA / Wholesale Import | 50MG * 100`S (COSMOS) | 258.00 |
Special populations
Pregnancy & lactation
Pregnancy
Folic acid preconception/first trimester critical. Iron/folate common in ANC. Avoid excess vitamin A.
Lactation
Maternal repletion often appropriate; avoid megadoses.
Diet
Food & alcohol
- Food
- Food
Trust
Sources & disclaimer
Source: Local active-ingredient clinical extract; FDA drug label via OpenFDA/DailyMed; RxNorm (NLM RxNav); PubChem
Clinical review date not recorded.
Decision support only — not a substitute for clinical judgment, product SmPC, or Kenya STG/EML.