Archive for Vitamins

Side Effects occurring with Vitamin B1 Drug Information

Type of Drug: Water-soluble vitamin. Vitamin not stored by the body.

How the Drug Works:

Thiamine (vitamin B 1 ) is important in carbohydrate (sugar and starch) metabolism, maintenance of normal growth, and transmission of nerve impulses.


To treat or prevent thiamine deficiency (a severe form is called beriberi).

Beriberi may cause vomiting, rapid heart rate, abnormal skin sensations in the hands and feet, loss of muscle strength, appetite loss, difficulty breathing, pounding in the chest, fluid retention, greenish stools, voice loss, and muscle wasting or rigidity.

Unlabeled Uses: Oral thiamine has been used as a mosquito repellant; however, effectiveness has not been proven.


Do not use in the following situations: Allergy to thiamine.

Use with caution in the following situations: Wernicke-Korsak off syndrome.

Multiple vitamin deficiencies: It is unusual for thiamine deficiency to occur alone. Other vitamin supplements may be needed. Consult your pharmacist or doctor.

Pregnancy: This drug appears to be safe for use during pregnancy. How­ever, no drug should be used during pregnancy unless clearly needed. Use only in amounts recommended by your doctor.

Breastfeeding: It is not known whether thiamine appears in breast milk.

Consult your doctor before you begin breastfeeding.


  Thiamine HCI/Vitamin B1  


Rx Thiamine HCI Injection: 100 mg/ml


otc Betalin S Tablets: 50 mg, 100 mg.250 mg, 500 mg


ots Thiamilate Tablets, enteric coated: 20 mg


Side Effects:

Every drug is capable of producing side effects. Many thiamine users experience no, or minor, side effects. The frequency and severity of side effects depend on many factors including dose, duration of therapy, and individual susceptibility. Possible side effects include:

Skin: Itching; rash; hives; sweating; bluish skin discoloration; tenderness or hardening of the skin at injection site (injection only).

Other: Feeling of warmth; nausea; fluid retention; tightness of throat; low blood pressure; fluid accumulation in the lungs; dizziness.

Guidelines for Use:

  • Most people on balanced diets do not need vitamin supplements. People with excessive alcohol intake, long-term dialysis, mala sorption, excessive carbohydrate intake, excessive coffee or tea intake, appetite loss, chronic diarrhea, bleary disease, liver dysfunction, or hyperthyroidism are at risk for thiamine deficiency .
  • Do not take enteric-coated tablets with dairy productS.
  • Recommended Dietary Allowances (RDAs) – Adult males: 1.2 to 1.5 mg Adult females: 1 to 1.1 mg
  • Common sources of thiamine – Pork, liver, brewer’s yeast, legumes, beef, milk, nuts, whole grains, enriched flour.
  • Store at controlled room temperature (59 0 to 86°F). Protect from moisture.

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