Why are your hands and feet itchy? Know the internal and external causes early

There are internal and external causes for itchy hands and feet. Common ones include endocrine factors, kidney, liver and gallbladder diseases, fever, chemical stimulation, drug allergy, etc. Pay attention to the difference between itchy hands and feet and itchy skin. Find the cause and treat it. Don't scratch randomly to avoid infection.

1. Causes

It can be divided into two aspects: external factors and internal factors. Internal factors include systemic diseases, such as endocrine diseases (diabetes, hyperthyroidism, carcinoid syndrome, etc.), hepatobiliary diseases (primary biliary cirrhosis, biliary obstruction, etc.), kidney diseases (chronic renal failure, chronic hemodialysis disease), blood diseases (iron deficiency anemia, polycythemia vera, etc.), malignant tumors (lymphoma, leukemia, etc.), neurological diseases (spinal cord disease, paralytic dementia, etc.), infectious diseases (AIDS, tuberculosis, filariasis, etc.), etc. External factors are related to physical (fever, cold, etc.), mechanical (friction, etc.), chemical stimulation (acids and alkalis, etc.), food (spicy food), and drugs (belladonna, cimetidine, chloroquine, etc.).

2. Differential Diagnosis

It can be distinguished from skin itching.

Most people have experienced skin itching, some of which are temporary, occasional, and localized skin itching; some are long-term, recurrent, and systemic skin itching.

3. Prevention

1. Find the cause of the disease and eliminate it.

2. Avoid various irritating factors, such as excessive scratching, washing with boiling water, using detergents, drinking, and eating spicy foods.

3. Early diagnosis and early treatment.