9 Questions
Which adverse effect is NOT commonly associated with diphenhydramine?
Nausea
What is a paradoxical response some people may experience with diphenhydramine?
Restlessness
Why is diphenhydramine contraindicated in narrow-angle glaucoma patients?
Causes pupil dilation
Which interaction with diphenhydramine can lead to an increased risk of hypertensive crisis?
Concurrent use with MAOIs
What distinguishes non-sedating antihistamines from traditional antihistamines like diphenhydramine?
They do not cause sedation
What is a common side effect of non-sedating antihistamines?
Blurred vision
What is a key anticholinergic property of diphenhydramine?
Urinary retention
What should be avoided when taking diphenhydramine due to additive effects such as increased drowsiness?
Alcohol
What effect does pupil dilation due to diphenhydramine cause in patients?
Worsened photosensitivity
Test your knowledge on alpha-adrenergic stimulation and nasal decongestants. Learn about rebound congestion, interactions between different types of decongestants, and the effects of topically applied nasal sprays and drops.
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