ospasm, production of premature laborDosage and routes:To prevent exercise-induced asthma•Adult: INH 2 puffs 15 min before exercising, NEB/LPPB 5 mg tid-qidBronchospasm•Adult: INH 1-2 puffs q4-6h PO 2-4 mg tid-qid, not to exceed 8 mgPrevention of premature laborAvailable forms: Aerosol 90 mg/actuation; tabs 2, 4 mg; syr 2 mg/5 ml, cont rel 4, 8 mgSide effects/adverse reactions:CNS:Tremors, anxiety, insomnia, headache, dizziness, stimulation, restlessness, hallucinations, flushing, irritabilityEENT:Dry nose, irritation of nose and throatCV:Palpitations, tachycardia, hypertension, angina, hypotension, dysrhythmiasGI:Heartburn, nausea, vomitingMS:Muscle crampsContraindications: Hypersensitivity to sympathomimetics, tachydysrhythmias, severe cardiac diseasePrecautions: Lactation, pregnancy , cardiac disorders, hyperthyroidism, diabetes mellitus, hypertension, prostatic hypertrophy, narrow-angle glaucoma, seizures, exercise-induced bronchospasm (aerosol) in children *12 yearsPharmacokinetics: Well absorbed PO, extensively metabolized in the liver, excreted in urine, crosses placenta, breast milk, blood-brain barrierPO:Onset hr, peak 2 hr, duration 4-6 hr, half-life 2 hrPO-ER:Onset hour; peak 2-3 hr; duration 12 hrINH:Onset 5-15 min, peak 1-1 hr, duration 4-6 hr, half-life 4 hrInteractions/incompatibilities:•Increased action of aerosol bronchodilators•Increased action of albuterol: tricyclic antidepressants, MAOIs, other adrenergics•May inhibit action of albuterol: other b-blockersNURSING CONSIDERATIONSAssess:•Respiratory function: vital capacity, forced expiratory volume, ABGs, lung sounds, heart rate and rhythm (baseline)•That patient has not received theophylline therapy before giving dose•Client’s ability to self-medicate•For evidence of allergic reactionsAdminister:•After shaking, exhale, place mouthpiece in mouth, inhale slowly, hold breath, remove, exhale slowly•...
