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Respiratory Drugs

Review of key items on respiratory medication

Action of beta adrenergic agonists stimulate beta-2 receptors in the SNS causing bronchodilation
Location of beta 1 receptors heart
Location of beta 2 receptors lungs
Three pharmaceutical classes of bronchodilators beta-adrenergic agonists or anticholinergic, and Xanthines
Inhaled drugs-onset, duration rapid onset, short duration
Action of Xanthine smoothe muscle relaxant, inhibits phosphodiesterase
Examples of xanthine bronchodilators theophylline (Theodur or TheoCap), Aminophylline, caffeine
Side effects of xanthine drugs toxicity, tachycardia, restlessness and insomnia, seizures, anorexia, give with meals
Action of Anticholinergics blocks parasympathetic input, decreases bronchial constriction, not used for acute attacks!
Side effects of anticholinergics dry secretions, urinary retention, NOT used in clients with glaucoma or urinary obstructions
Action of corticosteroids decreases the inflammatory and immune responses
Systemic corticosteroids examples prednisone and methylprednisone
What to avoid with systemic corticosteroids never ever stop abruptly, and taper when switching from systemic to inhaled steroids
Side effects of corticosteroids weight gain, electrolyte imbalances(decreased Potassium), hypertension, hyperglycemia from decreased effects of diabetic agents, thin skin, decreased healing, bone loss
important teaching for inhaled steroids rinse mouth after use, and wash chamber and mouthpiece! combo drug inhaled via dry powder
Mast cell stabilizers (antiinflammatory agent) inhibit mast cells from busting open and releasing substances that cause inflammation. Cromolyn (Intal) nedocromil (Tilade )
Antitussives action cough suppressants
Narcotic Antitussives codeine, hydrocodone
Side-effects for antitussives sedation, dry mouth, constipation, check for adequate hydration
Mucolytics and Expectorants action thins out and loosens secretions, making them easier to expectorate
These drugs can be used in the ACUTE phase of an Asthmatic attack Bronchodilators
What types of patients should bronchodilators be cautioned in because it has an adverse effect Patients with heart disease
Drug ending for beta 1 agonist "erol"
Drug ending for anticholingeric 'pium"
Beta-adrenergic agonist (ie: albuterol) side-effects. CNS stimulation: increased appetite, blood glucose, and blood pressure, and pulse
Created by: tgwin7