No, there are no side effects and it does not lower their sperm count. As to the fetal alcohol syndrome, it's not true. It is not possible to cause fetal alcohol syndrome through sperm. Only through a woman drinking while she's pregnant.
When A Man Is Drunk Are There Any Side Effects To Semen As Far As Producing Kids Does It Make Their Sperm Count Low Or Anything Like That?
It doesn't cause fetal alcohol syndrome but it can however cause a disorder called Drunk Sperm Syndrome. This can cause problems with the sperm, and also can cause the child to have a weaker immune systems, or hormonal disturbances such as hyperactivity. Hope this clears things up!