Redness in the fingers of both hands can be caused by cold weather, infections and arthritis.
1. Cold weather: If the blood circulation is not good due to cold weather and other factors, it may lead to insufficient blood supply to the fingers, and thus redness of the fingers may occur.
2. Infection: If the fingers are traumatized, and secondary bacterial, viral or fungal infection occurs, it may cause redness of the fingers, which is usually accompanied by painful symptoms, such as tinea versicolor.
3. Arthritis: If the patient suffers from arthritis in the finger area, in the acute stage of the disease, it may cause redness of the fingers, and may be accompanied by joint pain, restricted movement symptoms, such as rheumatoid arthritis.
Long-term redness of the fingers of both hands may also be (eczema, sweat herpes, etc.), should promptly seek medical attention to identify the cause, if necessary, under the guidance of a doctor for treatment.