Taking Other Medicines: Before taking Propranolol tablets, tell the physician if the patient is taking or has taken recently any of the following medicines or is taking any non-prescribed medicines: Verapamil and diltiazem (to treat heart diseases); disopyramide, quinidine and amiodarone [to treat irregular heartbeat (arrhythmia)]; ergotamine derivates (to treat migraine); adrenaline (epinephrine, used in anaphylactic shock); medicines to treat diabetes including insulin; lidocaine, propafenone or flecainide [to treat irregular heartbeat (arrhythmia) or as a local anasethetic]; indometacin [Non-Steroidal Anti-Inflammatory Drug (NSAID)]; digitalis glycosides such as digoxin (to treat heart conditions); chlorpromazine (for mental illness); cimetidine (to treat stomach ulcers); other drugs treating high blood pressure (alpha blockers, clonidine, moxonidine, methyldopa or hydralazine); monoamine-oxidase inhibitors, imipramine or fluvoxamine (to treat depression); warfarin (to prevent clotting); rizatriptan (to treat migraine); rifampicin (to treat infection); barbiturates (to treat severe insomnia); theophylline (treating asthma and reversible airways obstruction); diuretics (to clear excess water from the body).