Through its Drug Search tool, RxISK provides a list of the top 100 side effects of a prescription drug that were reported to the FDA (Food and Drug Administration) in the United States, that you can review before getting your prescription filled to help you make an informed choice about use. 

When consumers (parents, guardians or caregivers) research a drug, RxISK also provides access to medication guides, prescribing information, and RxISK Reports from people trying to find out if a problem was caused by a drug side effect.

It is also important to be aware of possible drug interactions before you start taking a drug, and that the risk of adverse reactions might increase if you are on multiple medications. has developed a Drug Interactions Checker that might be helpful.