Thiamine
Also sold as: Benerva
No prescription neededVitamins and minerals
Comes as:TabletInjection
Usual adult dose
Usual adult dose for mild deficiency: 25 to 100 mg a day by mouth. In serious deficiency (for example with heavy alcohol use or long vomiting) a doctor gives higher doses by injection.
Your doctor may give you a different dose. Children's doses depend on weight.
Side effects
Common
- rare by mouth
- mild stomach upset
Serious — get help
Stop taking it and see a doctor straight away if you notice:
- severe allergic reaction after injection (swelling
- difficulty breathing)
Do not take it, or take care, if
- Previous allergic reaction to thiamine injection
- Injections should be given slowly and only by a health worker
Interactions
No important interactions are listed in our database. Still tell your doctor or pharmacist everything you take.