This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
Which of the following is not a side effect of paroxetine? 
Select and explain. 
A. Premature ejaculation, B. Erectile dysfunction, C. Decreased libido, D. Diarrhea
A: Premature ejaculation
Answer: A: Premature ejaculation 
Explanation: A high incidence of gi side effects, sexual dysfunction (may interfere with ejaculation), agitation and discontinuation reaction is more with paroxetine than with other SSRI. Ref KD Tripati 8th ed.