Mesalamine (Oral)

Brand Names : Asacol, Pentasa, Mesasal, Salofalk, 5-aminosalicylic acid, 5-ASA, mesalazine

Side Effects of This Medicine

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Stop taking this medicine and check with your doctor immediately if any of the following side effects occur :

Less common

Abdominal or stomach cramps or pain (severe); bloody diarrhea; fever; headache (severe); skin rash and itching

Rare

Anxiety; back or stomach pain (severe); blue or pale skin; chest pain, possibly moving to the left arm, neck, or shoulder; chills; fast heartbeat; nausea or vomiting; shortness of breath; swelling of the stomach; unusual tiredness or weakness; yellow eyes or skin

Symptoms of overdose

Confusion; diarrhea (severe or continuing); dizziness or lightheadedness; drowsiness (severe); fast or deep breathing; headache (severe or continuing); hearing loss or ringing or buzzing in ears (continuing); nausea or vomiting (continuing)

Other side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome:

More common

Abdominal or stomach cramps or pain (mild); diarrhea (mild); dizziness; headache (mild); runny or stuffy nose or sneezing

Less common

Acne; back or joint pain; gas or flatulence; indigestion; loss of appetite; loss of hair

Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.