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Mesalamine
Pronounced me-SAL-ah-meen
Brand names: Lialda, Pentasa, Asacol
Type: Aminosalicylate (bowel anti-inflammatory) · All Digestive (GI) Medicines
What Mesalamine is used for
- Ulcerative colitis
- Crohn disease of the colon (some forms)
◆ Kidney note
Can rarely cause kidney inflammation, so kidney blood tests are checked periodically during long-term treatment.
Common side effects
- Headache
- Stomach pain
- Nausea
- Diarrhea
Important cautions
- A minority of people feel worse on it, mimicking a flare — worsening symptoms should be reported rather than assumed to be the disease
How it comes
Tablets, capsules, suppositories, enemas. This guide lists forms only — it never lists strengths or doses.
Toxicity lists: Mesalamine also appears on Medicines That Can Harm the Kidneys.
Related medicines — Digestive (GI) Medicines
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.