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==General==
*Type: [[Beta 2 agonist]]
*Dosage Forms: 1mg/mL injection

==Adult Dosing==
===[[Preterm labor]]===
*0.25mg sq q20-30 min, up to 4 doses PRN contractions
===Asthma/Bronchoconstriction===
*0.25mg sq q20 min, up to 3 doses

==Pediatric Dosing==

===Asthma/Bronchoconstriction===
*0.005-0.01mg/kg to max 0.4mg SQ q15-20 min, up to 3 doses; may repeat in 2-6 hours

==Special Populations==
*[[Drug Ratings in Pregnancy|Pregnancy Rating]]: Category C
*Lactation: Not recommended
*Renal Dosing: n/a
*Hepatic Dosing: n/a

==Contraindications==
*Allergy to class/drug

==Adverse Reactions==
===Serious===
*Black box warning against prolonged use for tocolysis (>48-72 hrs)
*Cardiac arrhythmia

===Common===
*Agitation, tremor, hyperglycemia, hypokalemia

==Pharmacology==
*Onset: 6-15 minutes
*Half-life: 11-16 hours
*Metabolism: Hepatic 
*Excretion: Urine
*Mechanism of Action: Beta 2 agonist, smooth muscle relaxant

==See Also==
[[Asthma]], [[Preterm Labor]]

==References==
Lexicomp
<references/>
[[Category:Pharmacology]]