SR tab 500 mg (white grey to pale brown, speckled round, breakmark and embossing: 500 mg on one side, PENTASA on the other side) x 10 x 10's. PR tab 1 g (white-grey to pale brown, speckled, oval, embossing on both sides: PENTASA) x 6 x 10's. PR granules (sachet) (white grey to pale white brown cylindrical shaped granules) 1 g x 50's. 2 g x 60's. Enema (white to slightly yellow suspension) 1 g/100 mL x 7's. Supp (white to tan, spotted, oblong, suppositories) 1 g x 4 x 7's.