albuterol Flashcards
name (trade)
proventil, ventolin
class
sympathomimetic, bronchodilator
description
beta 2- selective sympathomimetic
mechanism of action
causes bronchodilation by action on B2 (pulmonary) receptors secondary to relaxation of smooth muscle; produces bronchodilator, CNS, cardiac stimulation, as well as increased diuresis and gastric acid secretion
onset
5-10 min after inhalation
duration
4 hours
indications
relief of bronchospasm
contraindications
(relative)
prior hypersensitivity reaction to albuterol
cardiac dysrhythmias associated with tachycardia
adverse reactions (side effects)
restlessness, apprehension, dizziness, palpitations, increase in BP, dysrhythmias, chest pain
drug interactions
MAO inhibitors, beta-blockers, sympathomimetics
supplied
unit dose of 2.5 mg
dose/administration
N/B: 2.5 mg (0.5 ml of 0.5% solution)
diluted to 3 ml w/ 0.9% saline solution
administer 5-15 min by nebulizer
do not double-dose
special considerations
IV and Heart monitor
O2 as needed