A-B1 is primarily used to treat various manifestations of thiamine deficiency, including:
- Beriberi: A disease caused by thiamine deficiency, particularly common in alcoholics.
- Wernicke’s Encephalopathy: A neurological disorder resulting from thiamine deficiency.
- Neuritis: Associated with pregnancy.
- Pellagra: Although primarily caused by niacin deficiency, thiamine can also play a role.