... Your PNH may be to blame. In fact, around one-third of people with PNH report they have abdominal pain when they’re diagnosed. Muscle spasms can also affect your stomach and intestines — you may feel cramping or pain in your abdomen, including the front and sides. ...
6 Types of Pain Paroxysmal Nocturnal Hemoglobinuria Can Cause
... Your PNH may be to blame. In fact, around one-third of people with PNH report they have abdominal pain when they’re diagnosed. Muscle spasms can also affect your stomach and intestines — you may feel cramping or pain in your abdomen, including the front and sides. ...