Presentation: Naprozol 500 Tablet: Each tablet contains delayed release Naproxen BP 500 mg and immediate release Esomeprazole 20 mg (As Esomeprazole Magnesium Trihydrate BP). Naprozol 375 Tablet: Each tablet contains delayed release Naproxen BP 375 mg and immediate release Esomeprazole 20 mg (As Esomeprazole Magnesium Trihydrate BP). Commercial Pack: Naprozol 500 Tablet: Each box contains 5 blister packs of 8 tablets. Naprozol 375 Tablet: Each box contains 5 blister packs of 8 tablets.