Asacol® HD ,
Mesalamine

Limited human data: Asacol® HD should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus
Detected in human milk: caution should be used
Common side effects include headache; muscle or joint pain, aching, tightness, or stiffness; back pain; nausea; vomiting; heartburn; burping; constipation; gas; dry mouth; sore throat; cough; flu-like symptoms; stuffy head or runny nose; ear pain; anxiety; sweating; acne; slight hair loss; and diarrhea.
Rare side effects include pancreatitis. Caution should be used for individuals with pre-existing liver disease or renal impairment