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Questions and Answers
What is the main reason for sedation and fatigue as adverse reactions to antihistamines?
What is the main reason for sedation and fatigue as adverse reactions to antihistamines?
- Interaction with acetylcholine receptors
- Indirect stimulation of CNS depressants
- Blocking of peripheral H1 receptors
- Blocking of CNS H1 receptors (correct)
Which antihistamines are considered the mainstay of treatment for allergic rhinitis?
Which antihistamines are considered the mainstay of treatment for allergic rhinitis?
- Non-antihistamine medications
- Both first and second-generation antihistamines (correct)
- Second-generation antihistamines
- First-generation antihistamines
Why are first-generation antihistamines limited in continuous treatment of allergic rhinitis?
Why are first-generation antihistamines limited in continuous treatment of allergic rhinitis?
- Frequent dosing and related sedation (correct)
- Their high cost compared to second-generation antihistamines
- They target peripheral H1 receptors
- Longer duration of action
What is the primary advantage of second-generation antihistamines over first-generation antihistamines?
What is the primary advantage of second-generation antihistamines over first-generation antihistamines?
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Which patients should be cautious when using antihistamines?
Which patients should be cautious when using antihistamines?
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Why are second-generation antihistamines considered advantageous?
Why are second-generation antihistamines considered advantageous?
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