← Vitamin B1 (Thiamine)

Patient counseling sheet

Print-ready and generated without storing patient details.

AfyaIndex · counseling handout

Vitamin B1 (Thiamine)

Vitamin / mineral / nutritional supplement

Prepared 24 Sep 2026

What it is used for

Prophylaxis and treatment of Thiamine deficiency; supplement in the following conditions alcoholism, burns, chronic fever, gastrectomy, haemodialysis, chronic hepatic-biliary tract disease, hepatic function disorder, hyperthyroidism, prolonged infection, prolonged stress; treatment of maple syrup urine disease; treatment of pyruvate carboxylase deficiency; treatment subacute necrotizing encephalomyelopathy; treatment of hyperalaninaemia.

Warnings

Treat confirmed deficiency with monitored repletion. Avoid megadoses without indication. Iron: keep away from children (overdose lethal).

Possible side effects

GI upset (iron, high-dose vitamin C). Hypercalcaemia (vitamin D excess). Neuropathy with B6 megadoses. Flushing (niacin).

Storage

Store as labelled. Keep out of reach of children.

No reviewed patient-education article is available. The fields shown are from the currently verified medicine record and unavailable fields are not inferred.

AfyaIndex dataset coverage