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Clinical & Experimental Allergy

The effects of inhaled beclomethasone dipropionate (Becotide) and sodium cromoglycate on asthmatic reactions to provocation tests


Professor J. Pepys, Department of Clinical Immunology, Cardiothoracic Institute, Brompton Hospital, London, SW3.


A comparison was made between the effects of prior inhalation of sodium cromogly-cate or beclomethasone dipropionate on immediate, late and dual asthmatic reactions to provocation challenge tests with a range of allergens. Whereas sodium cromoglycate inhibited immediate and dual asthmatic reactions, beclomethasone dipropionate had no effect on immediate asthmatic reactions, but consistently inhibited late asthmatic reactions.

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