What are the causes of pruritus

Core tip: mechanical friction or physical and chemical factors can stimulate local itching, for example, some people are sensitive to wool, some alkaline too strong soap, wearing chemical fiber, wool and so on.
Pruritus is a common skin disease. It is understood that the cause of the disease is complex and diverse, because many people do not pay attention to personal hygiene caused by bacterial invasion and cause skin itching, and specific reasons are those? In order to help you understand this knowledge, here we are together to discuss.
1. internal causes of pruritus
(1) visceral diseases
The stomach, intestines, liver, kidney and other organs have functional or organic diseases, especially diabetes, uremia, liver disease patients often have generalized pruritus; some tumors such as leukemia, lymphoma, Hodgkin's disease, mycosis fungoides, and malignant lymphoma in patients with pruritus.
(2) neuropsychiatric disorders
Cerebral arteriosclerosis, spinal tuberculosis, skin itching neurasthenia can also occur systemic or localized, in common clinical patients with neurosis have some sort of illusion, think and feel itchy skin worms, some form the habit of scratching.
(3) endocrine disorders
Some women are often in pregnancy pruritus, usually in postpartum disappear, menstrual disorders or ovarian disease often cause vulva pruritus, skin itching may reduce the elderly and sex hormone levels, thyroid disease can have pruritus.
In addition to this, infection of the lesion, drugs, diet (alcohol), food allergies, and infections of parasites or fungi can cause systemic or limited pruritus.
2. external factors can cause generalized or localized itching, temperature changes often cause skin itching, change of temperature in summer and winter pruritus pruritus patients are extremely sensitive to bedding is too hot, sudden onset of heat or cold may cause itching.

Mechanical friction or the stimulation of physical and chemical factors can cause local itching. For example, some people are sensitive to wool, some alkaline soaps are too strong, and they wear synthetic wool and so on.
In addition, disinfectants, pesticides, deodorants, dyes and other irritants can tickle local skin.
The above is for everyone to introduce some of the common causes of skin itching, I hope you can bear in mind. Although skin itching is not a major disease, it can also cause trouble for people's work and life. I hope you can pay attention to this disease. I wish you all good health.