It is not possible to drink alcohol when taking cold and flu capsules, because cold and flu medicine can be poisoned with alcohol, so it is not possible to drink alcohol when taking cold and flu medicine, and it is also best not to smoke when you have a cold, because smoking can also affect the recovery time of a cold and may cause lung infection resulting in lung disease. When you have a cold, it is recommended to drink more boiled water, keep the air circulating in the room, and if the place where you work is crowded, it is recommended that you should wear a mask when you have a cold because there are more bacteria in the public environment to avoid re-infection of bacteria. Patients with colds should also pay more attention to rest after taking cold medicine, so that they can recover faster from the cold.