Betahistine-induced bronchospasm.
Betahistine is a cerebral vasodilator structurally related to histamine, which stimulates H1 bronchial and vascular receptors. We report the case of a 28-year-old female patient who presented bronchospasm during treatment with betahistine hydrochloride. The prick test was negative. The oral challenge test showed bronchospasm and urticarial lesions. To the best of our knowledge, this is the first case of betahistine-induced bronchospasm reported in the literature. The study carried out failed to reveal the mechanism of the reaction.[1]References
- Betahistine-induced bronchospasm. Jiménez, I., Antón, E., Picáns, I., Jerez, J. Allergy (1996) [Pubmed]
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