Vitamin C

Also indexed as: Ascorbate, Ascorbic Acid

Drug Interactions

Certain medicines interact with vitamin C: Some interactions may increase the need for vitamin C (Beneficial), other interactions may be negative (Avoid) and indicate vitamin C should not be taken without first speaking with your physician or pharmacist, others may require further explanation (Check). Refer to the individual drug article for specific details about an interaction.

Note: the following list only includes the generic or class name of a medicine—to find a specific brand name, use the Safetychecker index.

Acetaminophen Beneficial

Ampicillin Beneficial

Aspirin Beneficial

Carbidopa Beneficial

Carbidopa/Levodopa Beneficial

Cardec DM® Check

Chemotherapy Check

Cisplatin Check

Clozapine Beneficial

Cyclophosphamide Beneficial Check

Dapsone Beneficial

Docetaxel Check

Doxorubicin Beneficial

Ephedrine and Pseudoephedrine Check

Epinephrine Check

Fenofibrate Beneficial

Fluorouracil Check

Indomethacin Beneficial

Isosorbide Mononitrate Check

Methotrexate Check

Minocycline Beneficial

Mixed Amphetamines Avoid

Nitroglycerin Beneficial

Oral Contraceptives Beneficial

Oral Corticosteroids Check

Paclitaxel Check

Perphenazine Check

Salsalate Beneficial

Tacrine Beneficial

Tetracycline Beneficial

Thioridazine Check

Warfarin Avoid Check