Offsides and Twosides

Drug side effects and drug-drug interactions were mined from publicly available data. Offsides is a database of drug side-effects that were found, but are not listed on the official FDA label. Twosides is the only comprehensive database drug-drug-effect relationships. Over 1,000 drugs and 63,000 combinations connected to millions of potential adverse reactions.

Download the data from the website. Code is available at