What causes the cause of senile pruritus

Skin pruritus is a skin disease, skin pruritus is not a serious illness, but the skin will appear severe itching, seriously affecting the elderly sleep, resulting in poor mental state. Leading to the elderly skin pruritus for many reasons, there are pathological and non-pathological, we are here from the four aspects of the analysis.
(1) seasonal factors: cold when the cold overheating stimulation, dry, low humidity, are easy to cause skin pruritus, fur, chemical fiber products, rough underwear is also easy to stimulate itching. Old skin and its affiliated organs sebaceous glands, sweat glands and other shrinking, water content decreased, subcutaneous fat is also thinning, the skin and thus dry and no, poor blood circulation, the ability to adapt to the skin decreased by adverse stimuli, it occurs itching.

(2) diet factors: drinking, smoking, drinking tea, coffee, shrimp, seafood, eat spicy food. Itching is often difficult to stop, must be strong itching, until the skin damage bleeding, feeling pain, only to stop. Heavy sleep uneasiness, extremely painful, itching subsided after no feeling.
(3) infection factors: such as parasitic infections, often limited to itching, clinical manifestations around the anus, genital itching mainly, such as female Yin itching and vaginal discharge, vaginal trichomoniasis. Anal itching and trichomoniasis, hemorrhoids, anal fistula and prostatitis, scrotum itching and local sweating and friction related.
(4) other factors: In addition to the above reasons, such as allergic, neurological dysfunction, diabetes, thyroid dysfunction, biliary tract disease, nephritis, cancer can cause. Itching can occur simultaneously, but also by a transfer to another place, and even moss-like changes, eczema-like changes, pyoderma and lymphatic and lymphadenitis.
From the above article is to cause the cause of aging pruritus to do the introduction, from the text we can know the cause of skin pruritus is a lot. So the elderly usually pay attention to a reasonable diet, strengthen the exercise. To avoid suffering from skin pruritus to their own health and life impact.