Remedies for a cough?

Coughing,can be a sign of asthma.When I was a kid,I coughed a lot.My my said it sounded like I was trying to cough.Well I was,trying to cough up all the mucus in my chest that made it hard to breath.He probably has tons of food allergys.The most common,are wheat,and all grains that contain gluten,dairy,corn,corn syrup is in everything.He may have problems with chemicals in processed foods also.My son has allergies and asthma as a baby,and up until he was 5 years old.Thats when I realized he had food allergys.He is now on a gluten free casien free diet,with no processed foods.He doesn`t have any problems with allergys or asthma any more.Check out the book Perscription For Nutritional Healing.