About mecobalamine
Vitamin B12 (cobalamin)
Used for
- Treats vitamin B12 deficiency and related anemia
- May help prevent deficiency when absorption is impaired
Usual adult dose
Dose depends on the cause and local product guidance; deficiency treatment commonly uses 1 mg by injection, not 10 mg.
Usual dose in children
Specialist-directed; dose depends on age, weight, and cause of deficiency.
Common side effects
- Injection-site pain or redness
- Nausea or diarrhea
- Headache or dizziness
- Rare allergic reactions
Important warnings
- Confirm the vial’s actual dose and preparation instructions; 10 mg is unusually high.
- Vitamin B12 can affect some laboratory test results.
- Treating anemia may reveal low potassium in rare cases.
- Investigate the cause of deficiency, including possible pernicious anemia.
Pregnancy
Vitamin B12 is generally considered compatible with pregnancy when needed; use an appropriate dose under clinical guidance.
Breastfeeding
Vitamin B12 is generally compatible with breastfeeding at recommended doses.
Interactions
- Chloramphenicol may reduce the blood-cell response to vitamin B12.
- Metformin and long-term acid-reducing medicines can contribute to low 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 It may be incomplete or out of date.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.