It is not recommended to take medication if you feel like you are about to catch a cold. Common colds are usually caused by viruses, and taking medication for no purpose may cause side effects, so you should pay attention to observation and keep warm at the same time.
Colds belong to a kind of upper respiratory tract infections, generally caused by viruses, there is no effective anti-viral drugs for viruses, even if the drugs are taken in advance, colds may occur, there is no preventive effect, but also may lead to adverse reactions. Therefore, it is routinely not recommended to take medication in advance to prevent colds, and should be observed at all times, drink plenty of hot water, pay attention to warmth, and avoid getting cold.
Cold and flu patients are advised to eat a light diet, pay attention to rest, keep warm, avoid getting cold again, monitor temperature changes, go to the hospital when symptoms occur, and under the guidance of the doctor for treatment.