[Effect of loratadine (LO), a selective H1 antagonist, on histamine-induced bronchoconstriction].
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Grzelewska-Rzymowska I, Gondorowicz K, Cieslewicz G, Rozniecki J, Wojciechowska B
[Effect of loratadine (LO), a selective H1 antagonist, on histamine-induced bronchoconstriction].
Pneumonol Alergol Pol. 1992;60(11-12):16-21.
- PubMed ID
- 1303773 [ View in PubMed]
- Abstract
The influence of single and repeated LO (10 mg/day) doses on histamine-induced bronchoconstriction was studied in 11 patients with stabile bronchial asthma. Bronchial reactivity was estimated as histamine content potent to elicit a 20% FEV, fall, i.e. PC20H. A single dose gave a significant (5.5 fold) reduction in bronchial reactivity to inhaled histamine. Application of LO during 6 days gave a similar effect. Withdrawal of LO for 6 days yielded an increase in bronchial hyperreactivity.
DrugBank Data that Cites this Article
- Drug Targets
Drug Target Kind Organism Pharmacological Action Actions Loratadine Histamine H1 receptor Protein Humans YesAntagonistDetails