Question 246 · LEK · Drugs
All of these agents are oral first-generation H₁-blockers used in allergy treatment except for:
- A. hydroxyzine.
- B. clemastine.
- C. cetirizine.
- D. promethazine.
- E. cyproheptadine.
Hint
Recall which antihistamines readily cross the blood-brain barrier and sedate; one of the listed agents belongs to the newer, less sedating group.
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