Pill with imprint CYP 274 is White, Capsule-shape and has been identified as Gfn 600 phenylephrine 40 600 MG-40 MG. It is supplied by Cypress Pharmaceutical Inc.

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 600 MG-40 MG is not a controlled substance under the Controlled Substances Act (CSA).