Acute bronchospasm
Adult: As metered-dose aerosol containing 500 mcg/inhalation: 1 or 2 inhalations, repeated every 3-6 hr as required.
Intravenous
Status asthmaticus
Adult: 90 mcg via slow IV inj, may repeat after 10 minutes if needed.
Oral
Acute bronchospasm
Adult: As hydrochloride: 10-20 mg tid.
Child: As hydrochloride: As metered-dose aerosol: 6-12 yr: 1 inhalation (500 mcg) every 3-6 hr.
Child: As hydrochloride: As metered-dose aerosol: 6-12 yr: 1 inhalation (500 mcg) every 3-6 hr.