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Ipratropium (Atrovent)
paramedic
10
Pharmacology
Professional
01/20/2013

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Cards

Term
Class
Definition
Anticholinergic, bronchodilator
Term
Mechanism of action
Definition
Inhibits interaction of acetylcholine at receptor sites of bronchial smooth muscle, resulting in decreased cyclic guanosine monophosphate and bronchodilation.
Term
Indications
Definition
Persistent bronchospasm, COPD exacerbation.
Term
Contraindications
Definition
Hypersensitivity to ipratropium, atropine, alkaloids, peanuts.
Term
Adverse reactions/side effects
Definition
Headache, dizziness, nervousness, fatigue, tremor, blurred vision, cough, dyspnea, worsening of copd symptoms, tachycardia, palpitations, flushing, MI, dry mouth, nausea, vomiting, GI distress
Term
Drug interactions
Definition
None reported
Term
How supplied
Definition
Aerosol 18 ug/actuation.  500 ug/mL of a .02% solution for nebulaized inhalation.
Term

Dosage and administration

Adult & pediatrics

Definition

250-500 ug via inhalation with hand-held nebulizer every 20 minutes up to 3 times

Same with pediatrics

Term
Duration of action
Definition

Onset:  1-3 minutes.  

Peak:  90-120 minutes

Duration:  4-6 hours

Term
Special considerations
Definition
Pregnancy safety:  Category B.  When used in combination with beta-agonists, the beta-agonist is always administered first with a five minute wait before administering ipratropium.  Shake well before use.  Use with caution in patients with urinary retention. 
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