Therapeutic action

– Vitamin


– Vitamin B1 deficiencies: beriberi, alcoholic neuritis

Forms and strengths

– 50 mg tablet
Also comes in 10 mg and 25 mg tablets.

Dosage and duration

– Infantile beriberi
10 mg once daily, until complete recovery (3 to 4 weeks)

– Acute beriberi
50 mg 3 times daily for a few days, until symptoms improve, then 10 mg once daily until complete recovery (several weeks)

– Mild chronic deficiency
10 to 25 mg once daily

Contra-indications, adverse effects, precautions

– No contra-indication, or adverse effects with oral thiamine.
– Pregnancy: no contra-indication
– Breast-feeding: no contra-indication


– In the treatment of severe cases, the use of injectable thiamine is justified to correct the disorder as rapidly as possible, but is no longer justified when symptoms have improved.
– Vitamin B1 deficiency often occurs in association with other vitamin B-complex deficiencies, especially in alcoholic patients.
– Thiamine is also called aneurine.
– Storage: in airtight non-metallic container -