Coughing after Omicron infection is very serious and can be treated with cough suppressant medication and antiviral treatment according to the symptoms of the infection. 1. Cough treatment: cough is a common complication caused by omicron infection, which may cause different degrees of damage to the mucous membrane of the pharynx and inflammation of the pharynx, so you can choose to take cough medication under the guidance of the doctor for treatment, such as codeine phosphate oral solution, dextromethorphan oral solution. At the same time in daily life should try to avoid eating spicy and stimulating food, which can effectively reduce the irritation of the mucous membrane of the throat. 2. Antiviral treatment: Since the primary disease is Omicron viral infection, treating the cause of the primary disease in the treatment process can also effectively alleviate the symptoms of cough. In the treatment of omicron infection, antiviral drugs such as Nematrexed tablets or Ritonavir tablets should be taken under the guidance of a doctor for targeted treatment. If you are infected with Omicron and develop a cough, you should first be isolated and treated with the appropriate medication under the supervision of a doctor. The medication should be used under the guidance of a medical professional and should not be used on its own.