Tell the doctor or pharmacist if the patient is taking, has recently taken or might take any other medicines, including medicines obtained without a prescription. Especially: sildenafil (Viagra), tadalafil (Cialis) or vardenafil (Levitra) used to treat erection problems; heparin used to thin the blood; n-acetylcysteine used in paracetamol overdose; long acting nitrates (isosorbide dinitrate, isosorbide mononitrate); medicines used to treat high blood pressure; medicines that can cause dry mouth (amitriptyline, disopyramide, atropine and propantheline, tricyclic antidepressants); apomorphine used to treat Parkinson's disease; medicines used to treat migraine (ergot alkaloids).
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