Check for potential interactions between drugs. Enter two or more drugs into the field below. The results will tell you whether the two drugs can have harmful interactions. It will also tell you whether they have duplicate ingredients. You can enter one drug and check for any known drug, food, alcohol, or tobacco interactions. This tool also contains information on herbs.

Type in a Drug Name (e.g., "Tylenol" or "Ambien")


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Select a drug from the results below. Click Add or Remove.

Drugs searched for


Drugs to check interactions

You may search for more drugs by repeating step 1 above.

When you are finished, click here: