Many persons would like to take cold medicine, cough medicine and antipyretic analgesics or take two or three kinds of cold medicines together to get rid off the discomfort symptoms such as stuffy nose, runny nose, cough, fever, headache, body pain ... as soon as possible. In fact, the current basic cold medicines are compound preparations containing different components to alleviate the above-mentioned different symptoms, as a general rule, one medicine is good for the treatment.
The various cold medicines in the pharmacy can be divided according to the mechanism into four categories such as anti-allergy, decongestants, antipyretic analgesics and anti-virus. Among them, aspirin, paracetamol, ibuprofen, etc are good for fever, headache and body pain; chlorpheniramine diphenhydramine and other antihistamines alleviate the respiratory symptoms; pseudoephedrine hydrochloride, phenylpropanolamine hydrochloride help patients with nasal congestion (stuffy nose); dextromethorphan HBr; guaifenesin are cough - expectorant medicines.
Therefore, it is good for patient to choose one medicine to fight the major symptom when suffering the cold rather than eat cold medicine, cough medicine and analgesic drug together as the duplication of medication increases side effects.
Most of common cold is caused by a virus with natural 3 to 7-days course. The key treatment of influenza is to control the complications. As long as there are no complications, 2 to 3 days medication of cold medicine will ease the headache, coughing, sneezing, runny nose and other symptoms, then they can withdrawal the medication and take a rest In addition, we must pay attention to drink more water, eat more fruits and vegetables, vitamin C, take more rest, and go to hospital in time when symptoms are severe.