Thiamine (Vitamin B-1) (Oral)

Thiamine (Vitamin B-1) (By Mouth)

Thiamine (THYE-a-min)

Thiamine, another name for Vitamin B-1, is used to treat thiamine-deficiency (not enough thiamine in the body).

Brand Name(s):

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not use this medicine if you have had an allergic reaction to thiamine (Vitamin B-1).

How to Use This Medicine:

Tablet, Liquid

  • Your doctor will tell you how much and when to take your medicine. Keep all medicine away from children.  
  • You may take your medicine with or without food.  
  • Measure your oral liquid medicine using a marked measuring spoon or medicine cup.

If a dose is missed::

  • Take the missed dose as soon as possible.  
  • Skip the missed dose if it is almost time for your next dose.  
  • You should not use two doses at the same time.  
  • Missing a dose is generally not a cause for concern.

How to Store and Dispose of This Medicine:

  • Store the tablets at room temperature in a closed container. Keep away from heat, moisture, and direct light.  
  • Store the oral liquid at room temperature, away from heat and light. Do not freeze.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • Follow your doctor’s orders if he or she has given you a special diet.

Warnings While Using This Medicine:

  • Tell your doctor if you are pregnant or breastfeeding, or if you become pregnant.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

  • Itching or trouble breathing  
  • Swelling of face, lips or eyelids

Johns Hopkins patient information

Copyright 1996-2014 Cerner Multum, Inc. Version: 16.02.
Revision date: July 8, 2011
Last revised: by Dave R. Roger, M.D.

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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.

The drug reference included in this section is provided by Cerner Multum, Inc., of Denver, Colorado. Armenian Medical Network receives monthly updates from Multum.