Use this application to search for potential drug-drug interactions between anti-HIV drugs and other medications an HIV+ patient may be taking. Results are presented as a “Traffic Light” system (red, amber, green) to indicate the recommendation. A brief summary of the interaction is given, along with a grading of the quality of evidence (very low, low, moderate, high). The application is available free of charge and has been developed by the HIV Pharmacology Group at the University of Liverpool through support from MSD, the Elton John AIDS Foundation and Janssen