Cold and flu capsule is a kind of medicine used to relieve the symptoms of cold and flu, and it is a compound preparation of various drugs. The first is acetaminophen, which is a common antipyretic and analgesic that can reduce fever and relieve pain; the second is caffeine, which is a central stimulant that makes people more energetic and energetic; the third is chlorpheniramine maleate, which is familiar to us as paracetamol. The third compound is chlorpheniramine maleate, which is also known as paracetamol, which can relieve some symptoms such as sneezing and runny nose caused by cold. Therefore, cold and flu capsules can be used to relieve the symptoms of fever, headache, runny nose, sneezing and sore throat caused by cold or flu.