Drug Interaction Checkers
Check for interactions between medications, herbals, vitamins, and alcohol. Listed tools are free to use and with few exceptions do not require registration. Always ask your doctor or pharmacist about possible interactions before starting a new medication.
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Solid offering that is made nearly unusable by ads interspersed with interactions.drugs.com -
Unfortunately behind a free registration wall.epocrates.com - Registration Required -
Easy-to-use and well designed. Interactions are updated instantly upon each edit to a drug regimen.reference.medscape.com -
Subscription Services
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Platform to help healthcare workers navigate medication-oriented tasks efficiently and safely.elsevier.com -
Leading provider of interaction data for healthcare professionals.lexi.com - Subscription -
Drug interaction lookup service from IBM/Truven. Institutional access only.ibm.com - Subscription
Additional Resources
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Information on factors that can influence interaction severity and types of interactions.healthline.com -
Learn about different types of interactions and common interaction terms.fda.gov -
Academic assessment of interaction checkers regarding accuracy and comprehensiveness.ncbi.nlm.nih.gov