Hello ! For asthma , variety of inhalers with varied composition of drugs are available in the market.  Hence it is necessary to ensure you are on the right choice of inhaler and in right dose.  Also the technique of using an inhaler needs to taught to every patient in person as that is one of the important factors that determines the effective date Erythrocyte pf the inhaled drug to the lungs. If despite Inhalers there s persistence of symptoms then the patient might a short course of oral drugs including steroid and antihistamines. All this is determined based on the patient's symptoms, their frequency and severity.