The relaxation response also seems to increase the available level of serotonin, which is a chemical in the body that positively affects emotions and thoughts. While this information is promising, more studies are needed to directly confirm the relationship between massage and levels of serotonin in the brain.
The most common cause of scrotal itch is skin lesions such as psoriasis and eczema, when people can scratch so intensely that they make the skin bleed. But these conditions are of course visible and you say there is no rash, so we must think again.
Pain in the testicles can be caused by minor injuries to the area. However, if you are experiencing testicle pain and have not been injured, you need to have your symptoms evaluated. Pain in the scrotum can be the result of serious conditions like testicular torsion or a sexually transmitted infection (STI). Ignoring the pain may cause irreversible damage to the testicles and scrotum. Often problems with the testicles cause abdominal or groin pain before testicle pain develops. Unexplained abdominal or groin pain should also be evaluated by a doctor.