What causes the pruritus

Itching is more common in dermatology, most of the skin disease will be associated with pruritus, and will give you a certain impact on life, then, cause the cause of pruritus what? The following experts to ask you for a detailed look, I hope experts can give you the help to introduce.
What causes the pruritus? Today, hospital experts to explain for everyone:
The first is external:
1, pruritus Similarly, the main patient's clothing and life, diet and other aspects of contact with the material is related, such as some people are very sensitive to wool and other daily life factors.
2, pruritus This disease is relatively stubborn chronic skin disease. Therefore, this disease with the temperature there are seasonal changes are closely linked.
In addition to external causes of internal disease can cause skin pruritus:
1, if the patient's neuropsychiatric system there are obstacles, such as cerebral arteriosclerosis, neurasthenia and some other bad conditions, can also occur systemic or limited local skin itching.

2, if the patient's visceral some diseases, such as the intestine, stomach and other organs of the occurrence of functional lesions, especially diabetes, uremia and some other malignant diseases, often to the patient's body to bring generalized itching.
3, part of the women during pregnancy will be endocrine disorders, often accompanied by pruritus, but in the postpartum will gradually disappear. Patients with menstrual disorders or ovarian disease can cause female genital pruritus.
The cause of pruritus is a lot of reasons, after more than the cause of the cause of pruritus caused by what the introduction, we all cause the onset of pruritus have a sense of understanding, mainly because of work, but also with the habit of living Not caused by the incorrect, so all friends in life must pay attention.