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#Allergy and Immunology
A study published in the British Medical Journal aimed to assess the effect of terbutaline sulphate in chronic "allergic" cough.
In this randomized,double blind, crossover trial, the effects of terbutaline sulphate were studied in 30 patients who presented with chronic cough at an allergy clinic.
It was noted that while the placebo rendered no significant effect, both day and night cough scores and peak expiratory flow rates were markedly improved by the end of the first week of treatment with terbutaline. This improvement was achieved with only a fairly small change in airway calibre. The results demonstrated that terbutaline sulphate abolished the cough in most patients in this study within a week of the start of treatment.
Source: British Medical Journal. 1983 Oct; Volume 287.