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Thiamine oral

Important Note

The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.



COMMON BRAND NAME(S): Betamine, Thiamilate


Thiamine, vitamin B1, is necessary to prevent or treat stomach, heart or nerve problems caused by thiamine deficiency.

How To Use

Take this medication as directed. It is usually taken three times a day with meals. Follow any special dietary recommendations made by your doctor or nutritionist while taking this medication.

Side Effects

This medication may cause itching, sweating, feeling of warmth, nausea, weakness, or restlessness. These effects should subside as your body adjusts to this medication. Consult your doctor if any of these effects persist or become severe. Notify your doctor if you experience: shortness of breath, tightness of the throat. If you notice other effects not listed above, contact your doctor or pharmacist.


If you have had a bad reaction (skin reaction, difficulty swallowing, or difficulty breathing) to thiamine in the past, tell your doctor. Except in doses greater than recommended, thiamine is considered safe for use during pregnancy and while breast-feeding.

Drug Interactions

Tell your doctor of all prescription and nonprescription drugs you may use, especially: drugs used for muscle relaxation during surgery. Do not start or stop any medicine without doctor or pharmacist approval.


If overdose is suspected, contact your local poison control center or emergency room immediately.


Thiamine is common in foods such as dry beans, whole wheat flour, seeds and nuts, brewer's yeast, enriched and fortified grains and cereals, liver, kidney and pork. Eat more of these foods to increase the amount of thiamine in your diet.

Missed Dose

Take the missed dose as soon as possible but not if it is almost time for the next dose. If it is time for the next dose, skip the missed dose and resume your regular schedule. Do not "double-up" the dose.


Store at room temperature and keep away from moisture and sunlight. Do not store in the bathroom. Do not freeze the liquid forms.