Excessive masturbation cause infertility?like 4/5 times a week, i masturbating from age13 now 27yr suffered backpain once now skin rashes, ed, wetdream.

Essentially no.: Frequent masturbation only reduces concentration ; absolute number of sperm/ejaculation. We advise ejaculation x1/3 days to increase both if ; when you wish ti impregnate a partner. Masturbating 4 - 5x/week isn't excessive for teenagers ; young men. Not resposible for your back pain. Ed can be evaluated by a urologist. Wet dreams likely due to your not ejacualating when awake, .