First of all, there should be no straining or exertion upon the sexual organs. Vices like masturbation, which involve the hands touching one's sexual organs, is strictly prohibited within pure occult science. The hands do not belong on the sexual organs, whether for men or women, and that type of self-stimulation, which leads to tension and stress on our generative organs, is very degenerated, since those "movements" are identification with sensation and the fortification of desire through the wrong use of the sexual energy.
Masturbation also produces such symptoms of stress, incapacity to urinate correctly, and many of the effects you are mentioning. However, it is hard to make out what you are doing. Are you married and practicing sexual magic with your spouse, or are you transmuting on your own through Pranayama? Or, and I have to be direct, are you masturbating? This is the only way to really determine the cause of your symptoms.
Joyful in hope, suffering in tribulation, be thou constant in thy prayer.
Benedictis, qui venit in nomine Domini. Osanna in excelsis.
"Blessed is he who comes in the name of the Lord. Hosanna in the highest!"