氣喘 Treat and prevent bronchospasm diseases including bronchial asthma, obstructive bronchitis,
chronic bronchitis, emphysema and pulmonary bronchial disorder accompanied with bronchospasm
藥理
Beta2 Agonist
Fenoterol is a resorcinol derivative of metaproterenol (orciprenaline) with higher selectivity for beta-2 adrenergic receptors.
藥動學
Onset: 5 to 10 minutes
Duration: (Single Dose) 3 to 5 hours
禁忌症
1. Hypersensitivity to fenoterol, other product components, or other sympathomimetic amines
2. Hyperthyroidism, Hypertrophic obstructive cardiomyopathy, or Tachyarrhythmia
Acute bronchospasm:
1 to 2 puffs (200 micrograms each); may be repeated within 5 minutes if necessary, MAX 8 puffs per day Maintenance therapy for chronic bronchospasm:
1 to 2 puffs 2 to 4 times daily Prophylaxis of exercise induced asthma:
1 to 2 puffs prior to exercise, MAX 8 puffs per day