What causes numbness and itching in the fingers?
May 05, 2023
Source: Cainiu Health
Dr. Liu Wan
Introduction
Prolonged pressure on the fingers may affect local blood circulation, leading to symptoms such as numbness and itching, which usually require no special treatment. Additionally, numbness and itching in the fingers could also be caused by pathological factors such as tinea manuum (fungal infection of the hands) or polyneuritis. It is recommended that patients seek timely medical evaluation at a hospital and receive appropriate treatment to avoid delaying the condition.
In general, numbness and itching in the fingers may result from non-pathological factors such as prolonged pressure on the fingers, or from pathological conditions such as tinea manuum (hand fungus) or polyneuritis. A detailed analysis is as follows:
1. Non-pathological Factors
If the fingers are under prolonged pressure, local blood circulation may be affected, leading to symptoms such as numbness and itching. These symptoms typically do not require specific treatment.
2. Pathological Factors
1) Tinea Manuum (Hand Fungus)
Tinea manuum is a fungal infection caused by dermatophytes. Common symptoms include blisters, redness or papulovesicular eruptions, and skin keratinization, along with possible itching and numbness. Patients may use topical antifungal medications such as terbinafine hydrochloride cream or clotrimazole cream as directed by a physician.
2) Polyneuritis
Polyneuritis may be associated with chemical exposure, infections, or other factors, and can lead to sensory disturbances such as numbness and itching. Patients may take medications such as benzydamine tablets or compound danshen tablets orally as prescribed by a doctor.
In addition, these symptoms could also be caused by contact dermatitis, diabetes, cervical spondylosis, or other conditions. It is recommended that patients seek timely medical evaluation at a hospital.
