Vitamin B1 is a supplement used to treat Vitamin B1 deficiency, a condition caused by not having enough Vitamin B1 in the body. Vitamin B1 may also be used to improve memory, such as in Alzheimer’s disease. A heart problem called congestive heart failure may be treated with Vitamin B1. A person who is trying to stop drinking alcohol may be helped with Vitamin B1. Beriberi (bear-ee-bear-ee), a nerve disease caused by Vitamin B1 deficiency, may be treated with Vitamin B1. Other uses for Vitamin B1 include the treatment of nerve problems caused by diabetes. Vitamin B1 may be used to treat Wernicke’s encephalopathy (en-cef-uh-LOP-uh-thee), a brain disease. In children, maple syrup urine disease may be treated with Vitamin B1.
Other names for Vitamin B1 include: thiamine or Aneurine hydrochloride.
Ask your doctor, nurse, or pharmacist if you need more information about this medicine or if any information in this leaflet concerns you.
Before Using:
Tell your doctor if you
- are taking medicine or are allergic to any medicine (prescription or over-the-counter (OTC) or dietary supplement)
- are pregnant or plan to become pregnant while using this medicine
- are breastfeeding
- have other health problems, such as high blood pressure or heart or blood vessel disease
Dosage:
Talk with your doctor, pharmacist, or nurse about how much Vitamin B1 you should take. The amount depends on the strength of the medicine and the reason you are taking Vitamin B1. If you are using this medicine without instructions from your caregiver, follow the directions on the label. Do not take more Vitamin B1 or take it more often than what is written on the directions.
To store this medicine:
Keep all medicine locked up and away from children. Store medicine away from heat and direct light. Do not store your medicine in the bathroom, near the kitchen sink, or in other damp places. Heat or moisture may cause the medicine to break down and not work the way it should work. Throw away medicine that is out of date or that you do not need. Never share your medicine with others.
Drug and Food Interactions:
Do not take Vitamin B1 without talking to your doctor first.
Warnings:
- Before taking Vitamin B1, tell your doctor if you are pregnant or breastfeeding
Side Effects:
Stop taking your medicine right away and talk to your doctor if you have any of the following side effects.
- Allergic reaction: Itching or hives, swelling in your face or hand, swelling or tingling in your mouth or throat, chest tightness, trouble breathing, or rash.
Other Side Effects:
You may have the following side effects, but this medicine may also cause other side effects. Tell your doctor if you have side effects that you think are caused by this medicine.
- Pain in the area of your arm where you received Vitamin B1 intravenously (through a needle into a vein).
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