Vitamin B1 (Thiamine)   Uses of this Supplement Alcoholism   Supplements with Similar Uses View List by Use   Drugs that Interact Summary Nortriptyline Scopolamine Scopolamine-containing Medications Tetracycline Tetracycline-containing Medications Tricyclic Antidepressants (TCAs)   Drugs that Deplete this Substance View List   Supplements with Similar Side Effects View List by Side Effect   Learn More About Nutrition	Look Up > Supplements > Vitamin B1 (Thiamine) > Depletions Drugs that Deplete Vitamin B1 (Thiamine) Anticonvulsant Medications Hydantoin Derivatives Phenytoin Cardiovascular Medications Cardiac Glycosides Digoxin Diuretics Loop Diuretics Bumetanide Ethacrynic Acid Furosemide Torsemide