Respiratory - Upper - Receptor Antagonists

15 important questions on Respiratory - Upper - Receptor Antagonists

What are the adverse effects of 3rd generation H₁ receptor antagonists?

  • Headache
  • Nausea
  • Vomiting
  • Dysmenorrhea
  • Fatigue

What are the examples of 3rd Generation H₁ Receptor Antagonists shown?

  • Levocetirizine (Xyzal)
  • Loratadine (Claritin)
  • Fexofenadine (Allegra)

What is the nursing implication for administering 3rd generation H₁ receptor antagonists?

PO once daily with water.
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What are the nursing implications for cetirizine?

  • PO
  • Do not take w/ alcohol or other CNS depressants

What are the 2nd generation H1 receptor antagonists mentioned?

  • Cetirizine (Zyrtec)
  • Loratadine (Claritin)

What are the adverse effects of cetirizine?

  • Headache
  • Dizziness
  • N/V
  • Fatigue
  • Drowsiness

What are the contraindications for 1st Generation H₁ Receptor Antagonists: Diphenhydramine?

  • Pregnancy
  • Narrow-Angle Glaucoma
  • Prostatic Hypertrophy
  • Stenosing Peptic Ulcer disease
  • Bladder Neck Obstruction

What are the nursing implications for 1st generation H₁ receptor antagonists like diphenhydramine?

  • Monitor for changes in
  • Avoid alcohol & other CNS depressants
  • Do not drive or operate heavy machinery or sign legal documents
  • Hard candy or gum for dry mouth
  • Monitor urinary output especially in those with BPH

What is the active ingredient in Benadryl Allergy?

Diphenhydramine HCl 25 mg | Antihistamine

What are the adverse effects of 1st generation H₁ receptor antagonists like diphenhydramine?

  • CNS Depression
  • Anticholinergic Effects
  • CNS Stimulation

What are the allergy symptoms shown?

  • Lacrimation
  • Sneezing
  • Itching
  • Rash
  • Runny nose
  • Red eyes

What symptoms does Benadryl Allergy help relieve?

Sneezing, Runny Nose, Itchy, Watery Eyes, Itchy Throat

What is the drug therapy for allergies?

  • 1st Generation H₁ Receptor Antagonists
  • 2nd Generation H₁ Receptor Antagonists
  • 3rd Generation H₁ Receptor Antagonists

What type of receptor antagonists are Diphenhydramine and Hydroxyzine pamoate?

1st Generation H₁ Receptor Antagonists

What is the function of 1st Generation H₁ Receptor Antagonists?

Binds to histamine receptors in various tissues preventing histamine from attaching

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