White, Oval shape, with 93,on one side, and 537, on the other side. No other marks,or identifiers .
Pill imprint 93 537 has been identified as Naproxen sodium 550 mg.
Naproxen is used in the treatment of back pain; osteoarthritis; muscle pain; ankylosing spondylitis; pain (and more), and belongs to the drug class nonsteroidal anti-inflammatory agents.
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