There is no fastest way to treat a cold. If the symptoms of a cold are mild, there is no need for medication, and you can just take rest and avoid exertion. If the symptoms are serious, you can apply medication to treat the symptoms. Commonly used medications include decongestants, antihistamines, antipyretics, antitussives, cough suppressants and expectorants. 1. Decongestant: commonly used drugs such as pseudoephedrine, used to relieve nasal mucosal congestion, reduce nasal congestion, runny nose. 2. Antihistamines: commonly used drugs such as diphenhydramine and loratadine, which are used to relieve sneezing and runny nose symptoms. 3. Antipyretic and analgesic drugs: commonly used drugs are acetaminophen, ibuprofen, etc., which are mainly used to reduce fever when the cold is high. 4. Cough suppressants: for example, dextromethorphan, which is suitable for patients with severe dry cough. Expectorant drugs such as Ambroxol and Bromhexine are used to help expel phlegm in patients with cough and phlegm. 5. Anti-infective drugs: Antiviral drugs are usually not needed for common colds, but for influenza, anti-viral treatment with drugs such as oseltamivir can be used. If bacterial infection occurs, antibiotics such as amoxicillin can be used to treat the infection. Drink plenty of fluids, take rest and get balanced nutrition. If the cold symptoms are serious, it is recommended to consult a doctor and use medication under the doctor’s guidance.