Messanol-500 PR Tablet is an anti-inflammatory medication used to treat ulcerative colitis and Crohn's ileocolitis. It reduces symptoms like diarrhea, bleeding, and stomach pain by reducing inflammation in the bowel. It should be taken with food and as prescribed by the doctor. Common side effects include nausea, diarrhea, stomach pain, headache, itching, flatulence, and vomiting. If symptoms persist or worsen, contact the doctor. Before taking this medication, inform your doctor about any kidney or liver problems, stomach blockage, age, pregnancy, breastfeeding, and other medications.