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Drug Interactions Checker

Start typing a drug name and select the best match from the list of suggestions. Repeat the process to add multiple drugs. Once your list is complete, you can check for interactions immediately or save your list for future reference.

Unsaved interactions list Start over
polymyxin b / trimethoprim ophthalmic Remove this drug from your list
trimethoprim Remove this drug from your list
Check for Interactions Save

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Check for Interactions

To view a detailed interaction report for 3 or more drugs, please sign in or register.

Save Interactions List

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Save Interactions List

Save to My Med List

Add your drug list to My Med List to view medical information in a simple, easy-to-read, personalized format. Automatically receive FDA alerts, drug interaction warnings, plus data on food, allergy & condition interactions.