What is an expected outcome of antihistamine therapy for allergic rhinitis?
1. The nasal airway opens wider.
2. The sinuses drain more effectively.
3. Coughing becomes productive.
4. Sneezing and tearing decrease.
Correct Answer: 4
Rationale 1: Decongestants open the nares.
Rationale 2: Decongestants improve sinus drainage.
Rationale 3: Mucolytics make a cough more productive.
Rationale 4: Antihistamines decrease inflammation, so sneezing, tearing, and reddened eyes improve.
Global Rationale: The most frequent therapeutic use of antihistamines is for the treatment of allergies. These medications provide symptomatic relief from the sneezing, runny nose, and itching of the eyes, nose, and throat of allergic rhinitis. Decongestants open the nares and improve sinus drainage. Mucolytics make a cough more productive.
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