:other medicines used to treat diabetes, including insulin and metformin (e.g. Diabex, Diaformin)medicines that contain alcohol, such as cough and cold syrupsbeta blockers, a group of medicines used to treat high blood pressure and other heart conditions, such as atenolol (e.g. Tenormin, Noten) and metoprolol (e.g. Betaloc, Minax)monoamine oxidase inhibitors (MAOIs), a group of medicines used to t