Hi Doctor , My son is 6 yrs old , he has been having frequent cold and cough /chest congestion , this started when he started his schooling at the age of 3 , doc suggested seratide inhaler for 3 months and he was quite okay since that , it again started few months back and doctor has given foracort 100 inhaler for a month and asked to use when ever it is necessary, he doing good after using this , but is it a steriod? and good for my child health if it is used for a longer time or when ever it needed?