− Medicines used to lower blood cholesterol (e.g. atorvastatin, lovastatin, rosuvastatin or simvastatin); − Medicines affecting the immune system (e.g. cyclosporin, sirolimus (rapamycin), tacrolimus); − Medicines used for smoking cessation (e.g. bupropion); − Morphine-like medicines (e.g. methadone); − Oral contraceptive or using a patch contraceptive to prevent pregnancy (see section below titled Contraceptives); − Protease inhibitors (e.g. amprenavir, fosamprenavir, indinavir, nelfinavir, ritonavir, saquinavir); − Sedatives (e.g. midazolam administered by injection); − Steroids (e.g. dexamethasone, fluticasone propionate, ethinyl oestradiol); − Warfarin. − Medicines that cause a reaction with alcohol (e.g. disulfiram).