Taking only loratadine for allergic cough usually helps. However, each patient’s physical condition and degree of illness is different, so there is no guarantee that taking loratadine will work. Loratadine is a common anti-allergy drug that can be used to treat allergic cough, allergic rhinitis, hives and other diseases. After taking loratadine, when the allergy is improved, the cough symptoms will also be relieved. Therefore, some patients with allergic cough can be cured by taking only loratadine. However, not all allergic cough patients take loratadine is useful. If the patient is allergic to the ingredients in loratadine, the drug should not be taken, otherwise nausea, vomiting, skin itching and other symptoms may occur after taking. In this case, it is necessary to take other anti-allergic drugs by mouth as prescribed by the doctor, such as cetirizine tablets. Therefore, it is recommended that patients with allergic cough, need to follow the doctor’s instructions according to the actual situation to choose the appropriate drug treatment, choose the appropriate dose during the use of drugs, should not adjust the amount of drugs. Loratadine only for allergic cough is usually useful, but it is not recommended to take medication without authorization, it is recommended that patients ask the doctor before taking medication.