Indications: Thiamine is specifically used in the treatment of the various manifestations of thiamine deficiency such as Beriberi and Wernick's encephalopathy, neuritis associated with pregnancy and pellagra. Supplementary Thiamine may be indicated prophylactically in conditions where there is low dietary intake or impaired gastro intestinal absorption of thiamine (e.g. alcohol) or where requirements are increased (pregnancy, carbohydrate rich diet).