2024年2月5日 · A small black line that forms vertically underneath your nail may be a splinter hemorrhage, while horizontal lines may be melanonychia. These may be harmless or a sign of a more serious...

2023年8月1日 · A black line on the nail could be normal, such as when it is just a color variation. Other possible causes range from injury or taking certain medications to various health conditions like human immunodeficiency virus (HIV) and melanoma.

Toenail color changes -- from a big blue spot to a thin brown line -- could signal health problems. Here’s what you need to know. If your toenail turns black, it’s most likely a bruise under the...

2024年4月24日 · A look at a black line on the nail, a common change that can happen due to a range of causes. Included is detail on the diagnosis and when to see a doctor.

2022年10月31日 · A black line on the nail describes a narrow, dark stripe under the nail plate. It can be a harmless splinter hemorrhage or point to a more serious underlying condition.

2024年10月10日 · A black line on your nail (medically known as melanonychia) causes a streak of dark pigmentation that runs along the nail bed. It can be a normal color variation, especially in people with darker...

2023年10月3日 · Melanonychia may appear in one nail or several. These lines can occur naturally if you have a dark complexion. No matter the cause, have a doctor check for melanonychia because the lines may be a...

2023年7月19日 · The presence of black lines on nails can be a cause for concern, but it is essential not to jump to conclusions. In most cases, these lines are harmless and can be attributed to trauma or increased melanin production.

2024年8月27日 · Yes, a vertical black line on nails can indicate a splinter hemorrhage. It could indicate that the area in which these spots appeared has suffered some sort of trauma. Basically, the primary cause of the splinter hemorrhage is damage to …

In psoriasis, the rapid turnover of skin cells disrupts normal nail growth, resulting in these visible lines. Patients with nail psoriasis may also notice pitting, discoloration, or thickening of the nails. Understanding the connection between psoriasis and Beau’s lines can help manage both skin and nail symptoms effectively.