Children coughing a lot if belongs to the allergic factors caused by cough can take loratadine tablets (pay attention to the age of use, generally 2 years old and above can be taken), if belongs to the bacterial or viral infections caused by the need to take the drug. 1. Allergic factors: children coughing if allergic cough, or allergic asthma and other diseases caused by the drug loratadine tablets with anti-allergic cough, but the adverse effects can be seen in fatigue, drowsiness, dry mouth, headache and so on. Allergic to the drug is prohibited. In addition, pay attention to the age of use, generally more than 2 years old can be taken as prescribed by the doctor. 2. Respiratory tract infections: If the cough is caused by colds, bronchitis, pneumonia, etc., the cause of the cough should be clarified and treated. If there is a bacterial infection, it can be treated with antibiotics such as penicillin or cephalosporin to fight the infection, and at the same time with expectorant and cough suppressing drugs such as aminoglutethimide. Loratadine tablets are not effective. Children with severe coughs need to seek medical attention as soon as possible, under the guidance of the doctor to clarify the cause of the disease, and rational use of medication.