Protective effect of Berotec, Berodual and Atrovent in asthmatics.

The protective effect of Berotec, Berodual and Atrovent (Boehringer-Ingelheim) were compared in asthmatics, before inducing airways obstruction with acetylcholine. Three groups (8 patients in each) were chosen. They were given two doses of the above drugs, from originally packed under pressure bottles, 30 minutes before acetylcholine inhalation. All the drugs provided sufficient protection against the induced acetylcholine obstruction of airways. No significant differences were found in protective effect.

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