DRUG INTERACTIONS: Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor or pharmacist first.This drug should not be used with the following medications because a very serious interaction may occur: cancer chemotherapy, "clot-busting" drugs/thrombolytics (e.g., streptokinase).If you are currently using any of these medications listed above, tell your doctor or pharmacist before starting sulfinpyrazone.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: "blood thinners" (e.g., warfarin, dipyridamole), nitrofurantoin, NSAIDs (e.g., ibuprofen, indomethacin, naproxen), salicylates (e.g., high-dose aspirin), certain anti-seizure medication (hydantoins such as phenytoin).Alcohol can decrease this drug's effectiveness. Limit alcohol while taking this medication.Aspirin can prevent this medication from being fully effective. Avoid aspirin and other salicylates while taking this medication. Many nonprescription products contain aspirin. Consult your pharmacist before using nonprescription medicines if you are uncertain whether they contain aspirin. Low-dose aspirin should be continued if prescribed by your doctor for specific medical reasons such as heart attack or stroke prevention (usually at dosages of 81-325 milligrams per day). Ask your doctor or pharmacist for more details.This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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