ESSO NS FORT 500 20MG TAB 28sESSO NS 500 20MG TABLE is a combination medication that contains two active ingredients: Naproxen + Esomeprazole. Naproxen is a nonsteroidal anti inflammatory drug (NSAID) that works by reducing inflammation and pain in the body, while esomeprazole is a proton pump inhibitor (PPI) that reduces the production of stomach acid. Description: ESSO NS 500 20MG TABLE comes in tablet form. It is taken orally, usually once or twice daily, with or without food,