Nice query.  It’s arduous to know precisely what that burning ache is however if in case you have not been sexually energetic with one other particular person, it’s seemingly that there’s a small quantity of chafing or irritation on the tip of hte penis or within the urethra (the tube that carries urine and sperm.)  This will occur with masturbation and isn’t an enormous deal.  If it hold taking place for longer then a couple of days, it in all probability is smart to see your medical supplier.  It virtually actually does NOT imply you possibly can’t have youngsters. When you have been sexually energetic with different individuals, it might be a sexually transmitted an infection and it will be necessary to get examined by your medical supplier.