Children with black nails are considered to be caused by infection, subnail hemorrhage, melanocyte activation or tumor, etc. Treatment includes medication and surgery.
1. Infection: black nails may be nail fungal disease, fungal infection of the nail plate will produce pigment, resulting in the nail plate becomes different colors, such as gray nail is gray-yellow, sometimes black. Patients can follow the doctor’s instructions to apply antifungal drugs for treatment, drugs such as amorolfine, cyclopamine, terbinafine, itraconazole, fluconazole and so on.
2. Bleeding under the nail: Bleeding under the nail due to trauma is usually red, but when the amount of bleeding is relatively large, the blood coagulation will show black ecchymosis. This ecchymosis will be gradually absorbed and subside with time.
3. Melanocyte activation: Trauma, medication, sun exposure and other causes can lead to the activation of melanocytes in the nail matrix, producing too much melanin, which can also cause black nails. Patients may not need special treatment, and can be gradually relieved after removing the triggers.
4. Tumor: benign tumors and malignant tumors can cause black nails, benign tumors such as onychomycotic nevus and malignant tumors such as malignant melanoma. Tumor patients usually have unsatisfactory effect of drug treatment and should have timely surgical treatment.
If you feel uncomfortable, you should go to the hospital in time, so as not to delay the condition or cause adverse reactions.