Please tell your doctor before you are given Paxene if you: • are taking ritonavir, nelfinavir, efavirenz, nevirapine (for the treatment of AIDS) or any other prescribed drugs for your condition; • are taking any other medicines prescribed by a physician for any condition (e.g. erythromycin, fluoxetine, gemfibrozil, imidazole antifungals, rifampicin, carbamazepine, phenytoin, phenobarbital); • are taking other medicines that you have bought for yourself without a prescription.