My childs cough is not getting better after a month?

Cough 1 month. This is a serious problem. You should contact your pediatrician or family doctor to obtain an examination to determine the cause of the cough. There are many possibilities of the cause. When the cause is determined , proper treatment can be given to get your child well.
May last 6 weeks. Coughs after viral illnesses may last a long time- even 6-8 weeks! this lingering cough is usually caused by mucus that drips from the nose into the throat, causing irritation and thus the cough. This is also why its worse at night, when you are lying down. New fever, an increase in coughing or difficulty breathing should prompt you to see a doctor.