Varicocele: Risk Factors, Treatment, and Homeopathic Approach Varicocele is an illness in which the veins in the scrotum become enlarged leading to pain and at times infertility. It's similar to varicose vessels that are found in the legs, but is found in the scrotum, as well as the blood vessels that carry blood to and out of the testicles. A varicocele could cause the testicles to not...