Currently on the market cold medicine compound preparations are non-prescription drugs, drug names are different but the ingredients may be the same or similar, several cold medicine mixed at the same time is very likely to cause repeated use of drugs caused by adverse drug reactions, and even drug poisoning phenomenon. If you have a cold and fever and have taken antipyretic analgesics, such as acetaminophen or ibuprofen, then you need to pay attention to whether the compound cold medicine contains antipyretic ingredients, if the antipyretic ingredients themselves and take antipyretic analgesics, it is very likely to cause drug duplication and adverse reactions.