You review Mr Smith who is a 35 year old optician with a long history of Asthma. He is currently using Beclometasone dipropionate 100 micrograms, two puffs twice a day. Despite this, he reports a nocturnal cough at least three times a week. He takes two puffs of Salbutamol 100 micrograms, which does relieve his symptoms.
What is the most appropriate next treatment step?
