Thiamine Side Effects
Medically reviewed by Drugs.com. Last updated on Dec 19, 2024.
Applies to thiamine: solution, tablet.
Serious side effects of thiamine
Along with its needed effects, thiamine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur while taking thiamine:
Rare side effects
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For healthcare professionals
Applies to thiamine: compounding powder, injectable solution, oral capsule, oral tablet.
Local adverse events
Local side effects have included tenderness and induration at the injection site following intramuscular use.[Ref]
Hypersensitivity
Hypersensitivity side effects have included a feeling of warmth, pruritus, urticaria, weakness, sweating, nausea, restlessness, tightness of the throat, angioneurotic edema, cyanosis, pulmonary edema, and hemorrhage into the gastrointestinal tract. Anaphylaxis has been reported, especially after repeated injection. Collapse and death have also been reported.[Ref]
References
1. (2001) "Product Information. Vitamin B1 (thiamine)." Dixon-Shane Inc
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Patient resources
- Thiamine drug information
- Thiamine (Advanced Reading)
- Thiamine (Vitamin B1) Capsules and Tablets
- Thiamine (Vitamin B1) Injection
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Further information
Thiamine side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.
