Paracetamol Phenylephrine Hydrochloride Chlorpheniramine Flavored Syrup is employed to treat allergies, colds, and sinus issues that result in stuffy noses. This is used to treat symptoms of allergies or the common cold, such as sneezing, itching, watery eyes, and runny nose. Many ailments, including headaches, muscle aches, arthritis, backaches, toothaches, colds, and fevers, are treated with this. Paracetamol Phenylephrine Hydrochloride Chlorpheniramine Flavored Syrup prevents the brains chemical signals that trigger pain and fever from leaving the brain. This should be taken as per the doctors prescription.