Naproxen 275 mg-GG, yellow, elliptical, film coated. Naproxen 500 mg-AMN, white, capsule, Naprelan 375 mg-VIC, white, oblongQ: If I take 500 mg of naproxen twice a day for 5 days as prescribed, can I get a hole in my stomach? Or is that only a long-term side effect? canadian-pharmacyu.com...