cabergoline (Dostinex);
• ADHD medication;
• cold or cough medicine that contains dextromethorphan (a cough suppressant);
• erectile dysfunction medicine such as sildenafil (Viagra), avanafil (Stendra), tadalafil (Cialis, Adcirca), or vardenafil (Levitra, Staxyn);
• heart or blood pressure medication;
• insulin or oral diabetes medications;
• medicine to treat a psychiatric disorder;
• narcotic pain medication;
• St. John's wort;
• tryptophan (also called L-tryptophan);