itchy skin
Introduction
Introduction Itchy skin refers to a skin disease that has no primary rash but is itchy. It is a neuropsychiatric skin disease and is a cutaneous neurosis disorder. Clinically, only those with itchy skin and no primary skin lesions are called pruritus. It belongs to the category of "itchy wind" of Chinese medicine. Itchy skin is divided into common and allergic types. It can occur all over the body, especially in the face, back and limbs. Ordinary skin itching is generally caused by too dry skin. It can be taken orally with cod liver oil pills, multivitamin tablets, etc. Western medicine must be diagnosed and guided by a professional doctor. Do not blindly use drugs, especially those containing hormones.
Cause
Cause
The cause of pruritus is still unclear. It is believed to be related to certain diseases, such as diabetes, liver disease, and kidney disease. It is also stimulated by some external factors, such as cold, warm, and chemical fiber fabrics. Some of the following diseases can also cause itchy skin:
The concentration of bile acid is too high:
When the concentration of bile acid increases in the blood, it will deposit on the skin, causing severe itchy skin. Therefore, when the skin is itchy and yellow, you should go to the hospital to check the liver and gallbladder to see if you have gallstones. In the blood, calcium and phosphorus are too high, and the concentration of calcium and phosphorus in the blood is too high. If the skin is dry at this time, and accompanied by frequent urination, urgency, low back pain, or even urinary water, or less urine, it is necessary to think of kidney disease. Chronic nephritis patients enter the uremia stage, due to increased blood urinary toxins and protein derivatives, often cause systemic skin itching.
hormone imbalance:
For patients with hyperthyroidism, the skin's blood circulation is accelerated, the skin temperature is increased, causing itchy skin, especially after sleeping. The diabetes patients have higher blood sugar, the body's ability to defend against bacteria is reduced, and it is susceptible to bacterial and fungal infections. It can also cause itchy skin.
Central nervous system diseases:
Patients with neurasthenia and cerebral arteriosclerosis often develop paroxysmal itching. When brain lesions infiltrate into the bottom of the ventricle, they often cause severe and persistent itching, and this itching is limited to the nostrils.
Some lymphoid tumors:
Such as mycosis granulomatosis, Hodgkin's disease, or patients with myeloproliferative disorders, often accompanied by systemic itching.
Therefore, when the skin is itchy and accompanied by other symptoms, you should never wait for it, don't "have a headache, your feet hurt your feet", it is best to go to the hospital to find out the cause, the right medicine.
Examine
an examination
Related inspection
Check skin smear microscopy
1, skin itching is often the main symptoms of skin diseases, sometimes with rash, scratches, blood stasis, mossy changes and pigmentation.
2, according to the history of the disease, the condition of the diagnosis, such as:
(1) Skin itching is a prominent manifestation, and there is no obvious discomfort in the whole body, mostly dermatological diseases.
(2) A rash caused by allergies, infestation or poisoning of food, drugs, insecticides or other substances, such as paint sores, drug poisoning, powdered sores, fish and crab poisoning, wild wind, water poisoning, sand blast, Asbestos bites, etc., can generally be diagnosed through medical history, and often accompanied by itching, wheal, edema, etc.
(3) Old and frail, qi and blood deficiency, its skin itching, mostly blood deficiency and dryness.
(4) Itching caused by mood fluctuations, mostly liver qi stagnation and blood deficiency.
3, skin specialist examination, immunobiochemical examination, such as allergy experiments, sensitization experiments, etc., can help to confirm the diagnosis. Blood routine and urine routine can be checked.
Diagnosis
Differential diagnosis
The disease should be differentiated from the following diseases:
Giant mark: The giant mark is also called crab foot swelling or keloid, which is a kind of fibroid, which is a product of excessive proliferation of fibrous connective tissue.
Winter skin itching: Winter scrapie is more common in adults over the age of 40, especially in the lower extremities. These people have weakened sebaceous glands and dry skin. In the winter, bathing takes a long time, using more soap and making the skin drier. As the temperature drops, itching begins.
