Pill with imprint WPI 339 is White, Round and has been identified as Diclofenac Sodium Delayed Release 75 mg. It is supplied by Watson Laboratories, Inc.

Diclofenac is used in the treatment of Back Pain; Frozen Shoulder; Ankylosing Spondylitis; Aseptic Necrosis; Migraine and belongs to the drug class Nonsteroidal anti-inflammatory drugs. There is positive evidence of human fetal risk during pregnancy. Diclofenac 75 mg is not a controlled substance under the Controlled Substances Act (CSA).