The reason for the itchy fingertips and fingers may be caused by cold stimulation, or contact dermatitis, ringworm and other causes.
1. Cold stimulation: because the winter weather is cold, the temperature is relatively low, the skin by the cold stimulation leads to capillary spasm, resulting in local blood flow is not smooth, the local skin hypoxia will appear inflammatory lesions, resulting in itchy skin, the more common is frostbite.
2. Contact dermatitis: because of the skin of the hands after contact with some easily sensitized or irritated substances, caused by allergic or irritation reaction, will also appear in the above situation.
3. Ringworm: is caused by dermatophyte infection, can occur in the palm of the skin and the skin between the fingers, easy to cause the affected area itching, there are also manifestations of keratinized cracks in the affected area.
Itchy fingertips may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or standardized treatment.