Medical Definition of beclomethasone
: a steroid anti-inflammatory drug administered in the form of its dipropionate C28H37ClO7 as an oral inhalant to treat asthma and as a nasal spray to treat rhinitis and prevent the growth of nasal polyps ◆Beclomethasone is marketed under the trademarks Beconase AQ, QNASL, Qvar, Vancenase, and Vanceril.
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