Opioid Antitussives & Early Antihistamines

Apuntes

Contraindications •MAOI use within 14 days •Children under age guidelines Nursing Considerations •Assess for serotonergic drugs •Monitor misuse in adolescents. Patient Teaching •Do not exceed recommended dose •Avoid combining with antidepressants unless approved Mechanism of Action •Blocks H1 receptors •Crosses blood-brain barrier Indications •Allergies •Motion sickness •Insomnia •Acute allergic reactions Pharmacokinetics •Rapid absorption •Hepatic metabolism Side Effects •Sedation •Dry mouth •Blurred vision •Urinary retention Serious Adverse Effects •Confusion (elderly) •Anticholinergic toxicity Contraindications •Glaucoma •BPH •Elderly (Beers Criteria) Drug Interactions •CNS depressants •Anticholinergics Nursing Considerations •High fall risk •Avoid in older adults Patient Teaching •Avoid driving •Increase fluids •Expect drowsiness •First-gen antihistamines cause anticholinergic effects. Pharmacokinetics •Rapid absorption •Renal excretion Contraindications •Chronic cough from smoking/asthma (unless directed) Nursing Considerations •Encourage high fluid intake Patient Teaching •Drink plenty of fluids •Do not suppress productive cough unnecessarily Mechanism of Action •Selective pe...