HELLO DOCTOR , MY SON IS TAKING BUDECORT PUFF FROM SEPTEMBER 2010. ALMOST 9 MONTHS. IS IT HARMLESS TO HIM OR SHOULD I STOP IT. HE IS NOW 4 YRS.OLD , PLEASE HELP ME. AGE : 4 YRS GENDER : MALE MECIAL HISTORY: ALLERGY ,RUNNING NOSE, RESPIRATION PROBLEM TREATMENT: ASTHALIN INHALLER & BUDECORT PUFF,NEBULIZER PROBLEM HOW LONG BUDECORT CAN BE TAKEN CONTINIOUSLY