Black streaks on fingernails

The presence of black stripes on the fingernails is a problem that many patients have encountered. Although this symptom will not have a great impact on people in the short term, if it is not treated for a long time and the condition worsens, it will cause greater pain to people. Black stripes on the fingernails may be caused by nail fungal infection, pigmented nevus, melanoma, blood disease or onychomycosis. These diseases are introduced in detail below.

1. Fungal nail infection

Fungal infections of the nail, such as Aenotheeium nignumh, Fusarium oxysporum, certain fungi of the genera Alternaria and Blastomyces, as well as bacteria such as Proteus mirabilis, can cause the nail plate to turn black. Use antifungal drugs, such as amphotericin (watch out for side effects)

2. Caused by pigmented nevus, melanoma, etc.

The black nails may turn black in bands, single or multiple. It can be caused by benign pigmented nevi in ​​the nail matrix, malignant melanoma, subungual hemorrhage, certain drugs such as lead poisoning, arsenic poisoning and silver poisoning, and some have a genetic tendency.

3. Blood disease or onychomycosis

It is probably a blood disease. You should go to a regular hospital for some detailed examination. The appearance of streaks, if not all over the fingers, is a sign of a lack of some trace element. Blackening accompanied by brittle and falling nails is likely to be onychomycosis. Seek medical attention quickly to prevent infection.

3. Sub-health causes

Vertical black lines on the nails indicate unhealthy body and need to be treated for sub-health condition. There may be four reasons:

1. Staying up late for a long time.

2. Poor immunity.

3. There are toxins in the body, and the liver and kidneys have poor detoxification capabilities.

4. Transition carefully. If you live a regular life, your nails will grow well naturally.

If you want healthy nails, you must have good living habits, not drinking too much, and not staying up late.

Functions of nails:

As one of the accessories of the skin. It has its specific functions. First of all, it acts as a "shield", protecting the distal fingertips from damage, maintaining their stability, enhancing the tactile sensitivity of the fingers, and assisting in grasping, pinching, pinching, and squeezing. The nail bed is rich in blood supply and has the function of regulating peripheral blood supply and body temperature. Secondly, nails are the focus of hand beauty. Beautiful nails add to women's charm.