The most common side effects of Evrysdi (which may affect more than 1 in 10 people) in people with SMA listed in the official prescribing information are fever, diarrhea, rash, runny nose, sneezing, sore throat, and cough (upper respiratory infection), lung infection, constipation and vomiting. Please note this is not intended to be a comprehensive guide. Consult your treating doctor and the prescribing information at the bottom of the page for full details of side effects.