Testicle changes white by black and very itch sometimes what reason be

The testicle here generally refers to the scrotum, scrotum by black white and sometimes very itchy, may be pityriasis versicolor, candidiasis, psoriasis and other diseases caused.

1, pityriasis versicolor

is caused by Malassezia invasion of the stratum corneum of the skin, patients with scrotum involvement will find scrotum by black white, and can cause itching symptoms.

2, candidiasis

patients scrotum by Candida albicans infection, with the proliferation of pathogens will produce a large number of white secretions, and continue to stimulate local nerve fibers, will be manifested as scrotum white and itching.

3, psoriasis

is an immune-related genetic skin disease, patients due to long-term inflammation of the scrotum, will cause itching symptoms, and will make its surface appear white scales.