Does Effexor (venlafaxine) affect male fertility?

Yes. There is a risk of ejaculatory problems and low sperm counts with use of effexor (venlafaxine). Best advice is to seek an evaluation with your fertility doctor.
It can. Some of the newer snri/ssris have been shown to alter sperm dna integrity but not the usual semen analysis numbers (i.e. Count and motility). Less is more if possible.

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