Medications and Herbs

Medline Plus: Medicines
Links and information on medicines from Medline Plus, the National Institute of Health and the U.S. National Library of Medicine.

Medline Plus: Herbs and supplements
Links and information on herbs and supplements from Medline Plus, the National Institute of Health and the U.S. National Library of Medicine.

Penn Medicine Drug Interactions
An online tool to identify drug interactions (medicines that should not be taken together).