Canadian Pharmacist Qualifying Exam Practice · Question
A patient asks about managing mild seasonal allergies with an over-the-counter medication. Which antihistamine is least likely to cause sedation?
Loratadine is a second-generation antihistamine known for being less sedating compared to first-generation antihistamines like diphenhydramine and chlorpheniram
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Question: A patient asks about managing mild seasonal allergies with an over-the-counter medication. Which antihistamine is least likely to cause sedation?
Answer options:
- Diphenhydramine
- Chlorpheniramine ✅ Loratadine
- Hydroxyzine
Correct answer: Loratadine
Explanation: Loratadine is a second-generation antihistamine known for being less sedating compared to first-generation antihistamines like diphenhydramine and chlorpheniramine.
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