What is chlorpheniramine and phenylephrine? Chlorpheniramine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose. Phenylephrine is a decongestant that shrinks blood vessels in the nasal passages. Dilated blood vessels can cause nasal congestion (stuffy nose). Chlorpheniramine and phenylephrine is a combination medicine used to treat symptoms of the common cold or seasonal ... What is acetaminophen, chlorpheniramine, and phenylephrine? Acetaminophen is a pain reliever and fever reducer. Chlorpheniramine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose. Phenylephrine is a decongestant that shrinks blood vessels in the nasal passages. Dilated blood vessels can cause nasal congestion (stuffy nose). Acetaminophen, chlorpheniramine, and phenylephrine ... SINARest New Tablet is a combination of three medicines: Chlorpheniramine, Paracetamol / Acetaminophen and Phenylephrine. This combination helps to relieve symptoms of cold like runny nose, watery eyes, fever and headache. Paracetamol+phenylephrine+chlorpheniramine is used in the case of Paracetamol+phenylephrine+chlorpheniramine is used in the treatment of Common cold and allergies. The detailed uses of Paracetamol+phenylephrine+chlorpheniramine are as follows: • Cold Symptom Relief: Paracetamol+phenylephrine+chlorpheniramine is commonly used to address symptoms of the common cold, such as nasal congestion, sneezing, and a runny nose, ensuring better comfort. • Fever Reduction: Paracetamol+phenylephrine ...