Pill with imprint PROLEX-D is White, Oval and has been identified as Prolex-D guaifenesin 600 mg / phenylephrine hydrochloride 20 mg. It is supplied by Blansett.

Guaifenesin/phenylephrine is used in the treatment of Cough and Nasal Congestion; Sinus Symptoms and belongs to the drug class upper respiratory combinations. Risk cannot be ruled out during pregnancy. Guaifenesin/phenylephrine guaifenesin 600 mg / phenylephrine hydrochloride 20 mg is not a controlled substance under the Controlled Substances Act (CSA).