Pentasa 500mg is a prolonged-release tablet medication containing mesalazine as the active ingredient. Manufactured by Ferring Pharmaceuticals, it comes in a pack of 100 tablets. The tablets are designed to release the medication gradually for optimal therapeutic effect. This medication contains mesalazine in a prolonged-release formulation. Each tablet contains 500mg of the active ingredient. The prolonged-release technology helps maintain consistent drug levels in the body over time. The package contains 100 tablets and is manufactured by Ferring Pharmaceuticals.