“…Nicorandil, a drug occasionally used to treat symptoms of angina, can cause a rare but serious adverse reaction of painful, non-healing ulcers that affect the skin and mucosa 1. Failure to recognise this adverse drug reaction can result in serious harm to some patients 2345. The danger is increased because nicorandil treatment is usually initiated by cardiologists, but this rare adverse reaction usually presents to others, including general practitioners, surgeons, dentists, ophthalmologists, and dermatologists.…”