My child is suffering since childhood at the age of 09 months despite regular medicine both allopathy and homeopath he often suffer from mild to severe asthma attack. However during last 09 year in many times remain unattack from asthma for continue 06 month or even upto 01 year. Pls explain and guide for effective control and elimination of asthma and also effective and safe treatment in case of severe asthma attack,and how to reduce severity of attacks so it couldn't develop in emergency. Regards.