I strongly advise you to find out the facts yourself about men fertility and not just rely on what others tell you. Before you take any type of medication including antibiotics, find out what the side effects are for them. What you will find is that in many instances these antibiotics are going to affect your DNA cells. As a result you can end up with damaged sperm or not enough being produced which can lead to infertility. You also want to find out about the side effects of vaccines. You will be surprised as that you find in that category as well.