Oranges are just a food, not equivalent to medicines, and do not have the efficacy of medicines and cannot be used to treat coughs. To treat a cough, the first thing you need to do is to identify the cause of the illness, such as respiratory tract infection, allergies, etc., and then treat the cause. 1. If the cough is caused by respiratory tract infection, you can take cough syrup, codeine and other drugs, the specific choice of drugs need to specialists based on clinical symptoms comprehensive judgment. 2. If the cough is caused by allergy, you need to focus on anti-allergy treatment, you can take oral loratadine, etc., allergy symptoms will be relieved, the cough will also be relieved accordingly. Treatment of cough, it is recommended to go to the regular hospital in a timely manner, a clear diagnosis, and then under the guidance of a professional doctor, do not blindly use prescriptions, so as not to delay the condition, resulting in adverse consequences.