Skin prickling but no phenomenon on the surface is considered pruritus, common causes include dry skin, mental factors, systemic diseases, endocrine abnormalities, infectious factors and so on.
1. Dry skin: If you do not pay attention to skin moisturizing, in a dry and cold environment, it is easy to cause the skin to lack of moisture and excessive dryness, the symptoms of itching, the surface of the skin may have no obvious abnormalities.
2. Mental factors: if the spirit of excessive tension, depression or anxiety, etc., can also appear itching sensation; part of the neurological patients have some kind of hallucination, can fantasize that there are bugs crawling on the body, and thus self-conscious itchy skin.
3. Systemic diseases: commonly found in chronic hepatitis, cirrhosis, cholecystitis, pancreatic tumors, jaundice, diabetes, leukemia and other diseases, these diseases often have symptoms of itchy skin.
4. Endocrine abnormalities: commonly found in patients with amenorrhea, menstrual disorders, ovarian diseases, and abnormal levels of sex hormones in the body.
5. Infectious factors: such as proctitis, can cause anal itching; vaginitis, can cause vulvar itching.
It is recommended that patients go to regular hospitals when necessary, follow the doctor’s instructions to clarify the cause of the disease, reasonable treatment, to avoid delaying the condition.