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.
Red scrotum syndrome is generally characterized by a persistent redness of the scrotum that sometimes spreads to the base of the penis. Often, the scrotum has a persistent itching or burning sensation that can lead to peeling of the skin on the scrotum. Scrotum burning sensation can vary in severity and is considered to be a form of erythromelalgia. Erythromelalgia is a disorder characterized by a warmth, redness and burning pain to the extremities.