Opened a few days a number of cold medicines that correct?

Some patients will be asked to open a few days for me to drugs, even opened for a week. This is quite wrong! Since the symptoms of colds can be made only for administration, said that it should be reasonable to medicine is changing every day, because the symptoms will do! Headache, fever medicine may one day be enough to eat, but also continue to eat the same medicine? Sore throat may be two days has improved, but also the withdrawal of the! Take into account the convenience of patients, I think the medicine for two days, at most three days is more reasonable. Drugs have a certain negative effect on the body rather than a bad thing.