What is the cause of itchy and bleeding skin?

Many friends are troubled by skin diseases, which are particularly common diseases nowadays. Once you suffer from skin diseases, your body will be very painful. Some friends may even experience itchy and bleeding skin. This not only causes them physical torture, but also psychological torment. So what is the reason for skin itching and bleeding? Only when we understand the cause of the disease can we have a good treatment strategy.

There are many causes of skin itching, such as neurodermatitis: it often occurs on the back of the neck or its sides, forearms, thighs, calves, etc. It often appears in flakes and is light red or light brown. Severe itching is the main symptom. It may be related to excessive mental stress, excitement and changes in living environment. Local irritation, allergic constitution, frequent consumption of spicy and irritating foods, etc. may also cause neurodermatitis. This results in the disease of itchy skin.

Also when changing seasons. Since temperature changes often cause itching of the skin, patients with winter pruritus and summer pruritus are extremely sensitive to changes in climate. Too hot bedding, sudden heat or cold may cause itching. Senile pruritus: It is mostly caused by factors such as decreased sebaceous gland secretion function, dry skin and degenerative atrophy, and is more common on the trunk.

Systemic skin itching may also be caused by infection of lesions, drugs, diet (alcoholism), food allergies, and parasitic or fungal infections, which can cause systemic or localized itching. Hepatobiliary diseases: Itching caused by liver disease often occurs in cirrhosis, cholelithiasis, and bile duct tumors. Due to bile stasis, the concentration of bile salts in the blood increases, histamine is retained and deposited in the skin, causing itching. For example, in biliary cirrhosis, itching is the earliest symptom.

Through the above introduction, we understand the reasons for skin itching and bleeding. There are many methods for the treatment of skin diseases. However, in addition to treatment, we still have to pay attention to prevention in life. It is best to avoid contact with some irritating objects, especially for friends with skin allergies. Stay away from allergens and pay attention to keeping the skin clean.