The exact mechanism of action of Mesalamine is unknown, but it appears to work topically rather than systemically. In patients with chronic inflammatory bowel disease, the mucosal production of arachidonic acid metabolites is increased through cyclooxygenase (prostanoids) and lipoxygenase (leukotrienes and hydroxy eicosatetraenoic acids) pathways. Mesalamine reduces inflammation by blocking cyclooxygenase and inhibiting prostaglandin production in the colon.
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Pentasa is used for:
Using Mesalamine alongside nephrotoxic agents like NSAIDs and Azathioprine may increase the risk of kidney problems. Mesalamine should not be used by individuals with hypersensitivity to salicylates or any component of the formulation.
Tablet Dose:
Treatment of mild to moderate Ulcerative Colitis
Adults: 800 mg (two 400 mg tablets) three times daily for 6 weeks. The dose may be increased up to 4.8 g/day in divided doses if necessary.
Children (5 years and older):
Maintenance of remission in mild to moderate Ulcerative Colitis
Maintenance of remission in Crohn’s Disease
Prolonged Release Granules Dose:
Treatment of Ulcerative Colitis:
Adults:
Pediatric (6 years and older):
Note: The granules must not be chewed. The contents can be emptied onto the tongue and swallowed with water or orange juice, or mixed with yogurt and consumed immediately.
Treat ulcerative colitis
Blood cell counts should be monitored closely. Since renal function may decrease with age, it is recommended to evaluate renal function before starting Mesalamine and monitor it throughout therapy.
Safety and effectiveness in children under 6 years have not been established.
There have been reports of liver failure in patients with pre-existing liver conditions. Caution is advised when administering Mesalamine to such patients.
Mesalamine should only be used during pregnancy if the potential benefit justifies the potential risk to the fetus. Caution is advised for nursing mothers.
Patients may experience delayed gastric emptying, which can delay Mesalamine release in the colon.
Cases of nephropathy and interstitial nephritis have been reported. Renal function should be checked before starting treatment and monitored periodically.
Store below 30°C. Protect from light and moisture. Keep all medicines out of reach of children.
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At ePharma, we’re committed to providing accurate and accessible health information. However, all content is intended for informational purposes only and should not replace medical advice from a qualified physician. Please consult your healthcare provider for personalized guidance. We aim to support, not substitute, the doctor-patient relationship.