All of the following drugs cause dryness of mouth except_______________?
Correct answer: D. Neostigmine
- A. Atropine
- B. Chlorpheniramine
- C. Imipramine
- D. Neostigmine
Explanation
Atropine, chlorpheniramine and imipramine reduce salivation through antimuscarinic effects and therefore cause dry mouth. Neostigmine inhibits acetylcholinesterase, increasing cholinergic activity and salivary secretion instead.
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