Pill with imprint M1 is Beige, Round and has been identified as Onset Forte acetaminophen 162.5 mg / chlorpheniramine maleate 2 mg / phenylephrine hydrochloride 5 mg. It is supplied by Unifirst First Aid Corporation.

Acetaminophen/chlorpheniramine/phenylephrine is used in the treatment of Cold Symptoms; Sinus Symptoms and belongs to the drug class upper respiratory combinations. FDA has not classified the drug for risk during pregnancy. Acetaminophen/chlorpheniramine/phenylephrine acetaminophen 162.5 mg / chlorpheniramine maleate 2 mg / phenylephrine hydrochloride 5 mg is not a controlled substance under the Controlled Substances Act (CSA).