About pyridoxine hydrochloride
Vitamin B6 supplement
Used for
- Treating or preventing vitamin B6 deficiency
- Preventing deficiency with certain medicines, such as isoniazid
- Treating some inherited disorders of vitamin B6 metabolism
Usual adult dose
Commonly 10–25 mg daily for deficiency prevention; treatment doses vary by cause and clinician guidance.
Usual dose in children
Dose depends on age and condition; specialist guidance is needed for treatment.
Common side effects
- Nausea or stomach discomfort
- Long-term high doses can cause nerve damage, numbness, or poor coordination
Important warnings
- Long-term or excessive intake may cause lasting nerve injury.
- High doses can interfere with some laboratory tests.
- Use condition-specific doses for inherited metabolic disorders.
Pregnancy
Normal dietary amounts are safe. Supplement doses should be appropriate to the reason for use.
Breastfeeding
Normal dietary amounts are compatible with breastfeeding. High-dose supplements require clinical guidance.
Interactions
- Levodopa without carbidopa: pyridoxine may reduce its effect.
- Some anti-seizure medicines may interact with pyridoxine.
- Isoniazid and some other medicines can increase vitamin B6 requirements.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.