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ADRENERGIC GENERAL

Lilley Chapter 17

QuestionAnswer
ADRENERGIC DRUGS Drugs that stimulate the sympathetic nervous system. Mimic the effects of neurotransmitters norepinehprine and epinephrine.
Repiratory Indications Stimulation of Beta 2 receptors on bronchial, uterine, and vascular smooth muschles. Treat asthma and bronchitis. EX: epinephrine, saleterol.
Topical Nasal Decongestant Indications Cause constriction of dilated arterioles and reduction of nasal blood flow, decreasing congestion. Stimulation of Alpha-1 receptors. EX: Epinephrine
Opthalmic Indications Stimulation of Alpha receptors. Relieve conjunctival congestion by arteriolar vasoconstriction. Reduce intraocular pressure and dilate pupils.
Cardiovascular Indications Have variety of effects on alpha and beta receptors. EX: dopamine, epinephrine
Contraindications Known drug allergies, hypertension.
Adverse Effects CNS: Headache, restlessness, excitement, insomnia, euphoria. Cardiovascular: chest pain, vasoconstriction, hypertension, tachycardia, palpitations, dysrhythmias. Other: anorexia, loss of appetite, dry mouth.
Drug-Drug Interactions ADRENERGIC ANTAGONISTS: \/ therapeutic effects ANESTHETICS: risk of cardiac dysrhythmias TRICYCLIC ANTIDEPRESSANTS: ^ vasopressor effects,hypertensive crisis, resp. depression. MAO INHIBITORS: hypertensive crisis ANTIHYSTAMINES, THYROID PREP: ^ effect
Lab Test Considerations Alpha Drugs cause increase of levels of edongenous corticotropn, corticosteroids, ang glucose. These lab results hsould be interpreted with caution.
Created by: kfendley
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