About mecobalamine
Vitamin B12 (cobalamin) supplement
Used for
- Treats vitamin B12 deficiency
- Helps prevent deficiency when dietary intake or absorption is inadequate
Usual adult dose
Common oral doses for deficiency are 500–2,000 micrograms daily; treatment depends on cause and response.
Usual dose in children
Dose depends on age and cause; pediatric deficiency treatment should be clinician-directed.
Common side effects
- Nausea or stomach upset
- Diarrhea
- Headache
- Rare allergic reactions
Important warnings
- May be inadequate for severe deficiency or poor absorption, which may require injections.
- Untreated deficiency can cause lasting nerve damage.
- Some supplements contain ingredients that may trigger allergies.
Pregnancy
Vitamin B12 is needed during pregnancy. Use an appropriate dose based on dietary intake and deficiency status.
Breastfeeding
Vitamin B12 is important during breastfeeding; supplementation may be needed if intake or levels are low.
Interactions
- Chloramphenicol may reduce response to vitamin B12 treatment.
- Metformin and long-term acid-reducing medicines can lower vitamin B12 levels.
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 It may be incomplete or out of date.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.