Use the paragraph below to answer Question 13 to 15The clinical guidelines in asthma therapy have now moved towards anti-inflammatory therapy - and away from regular bronchiodilator therapy - for all but the mildest asthmatics. This is now being reflected in prescribing patterns. In the U.S., combined prescription volumes of the major bronchiodilators peaked in 1991 (having risen slowly in the preceding years), though they still account for around half of the 65 million asthma prescriptions there. During the same period, prescriptions for inhaled steroids have doubled, but still account for less than 10% of asthma prescriptions in the U.S.
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