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Vitamin B1
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Vitamin B1

Generic name:thiamine (vitamin B1)THIGH-a-min ]
Drug class:Vitamins

Medically reviewed by Drugs.com on Nov 23, 2021. Written by Cerner Multum.

What is thiamine?

Vitamin B1 is also known as thiamine. Vitamin B1 is found in foods such as cereals, whole grains, meat, nuts, beans, and peas. Vitamin B1 is important in the breakdown of carbohydrates from foods into products needed by the body.

Thiamine is used to treat or prevent vitamin B1 deficiency. Thiamine injection is used to treat beriberi, a serious condition caused by prolonged lack of vitamin B1.

Thiamine taken by mouth (oral) is available without a prescription. Injectable thiamine must be given by a healthcare professional.

Thiamine may also be used for purposes not listed in this medication guide.

Warnings

You should not use thiamine if you have ever had an allergic reaction to it.

Ask a doctor or pharmacist before taking thiamine if you have any medical conditions, if you take other medications or herbal products, or if you are allergic to any drugs or foods.

Before you receive injectable thiamine, tell your doctor if you have kidney disease.

Thiamine is only part of a complete program of treatment that may also include a special diet. It is very important to follow the diet plan created for you by your doctor or nutrition counselor. You should become very familiar with the list of foods you should eat or avoid to help control your condition.

Before taking this medicine

You should not use thiamine if you have ever had an allergic reaction to it.

Ask a doctor or pharmacist if it is safe for you to take Vitamin B1...