Subungual hematoma
I usually play rhythm games on my phone (the type that requires tapping the screen), and I've recently noticed that my fingers hurt when I tap the screen.
I found a black line inside my fingertip.
Will that disappear on its own after some time?
Peter, 20~29 year old female. Ask Date: 2022/12/20
Dr. Hong Yuanbin reply Internal Medicine
Hello, the condition you mentioned may be due to bruising or some dirt, and it might require a visual examination for proper assessment.
If the discomfort persists, I recommend considering a visit to a dermatologist.
Thank you for your inquiry.
Reply Date: 2022/12/20
More Info
Finger hemorrhage, often referred to as a subungual hematoma when it occurs beneath the nail, can be caused by various factors, including trauma, repetitive stress, or underlying medical conditions. In your case, the pain and the appearance of a black line inside your fingertip after playing rhythm games on your phone suggest that you may have experienced some form of trauma or repetitive strain injury to the finger.
Causes of Finger Hemorrhage
1. Trauma: Direct injury to the finger, such as hitting it against a hard surface or applying excessive pressure, can cause blood vessels to rupture, leading to bleeding under the skin or nail. This is common in activities that require repetitive motions or impact, such as playing games that involve tapping or striking.
2. Repetitive Strain Injury (RSI): Engaging in repetitive motions, like tapping on a touchscreen, can lead to microtrauma in the soft tissues of the fingers. Over time, this can result in inflammation, pain, and even bleeding if the small blood vessels are damaged.
3. Medical Conditions: Certain medical conditions, such as clotting disorders, can make an individual more susceptible to bleeding. If you have a history of easy bruising or bleeding, it may be worth discussing with a healthcare provider.
Treatment Options
1. Rest: The first step in treating finger hemorrhage is to rest the affected finger. Avoid activities that exacerbate the pain or put additional strain on the finger.
2. Ice: Applying ice to the affected area can help reduce swelling and alleviate pain. Wrap ice in a cloth and apply it for 15-20 minutes at a time, several times a day.
3. Elevation: Keeping the finger elevated can help reduce swelling and promote healing. Try to keep your hand above the level of your heart whenever possible.
4. Pain Relief: Over-the-counter pain relievers, such as acetaminophen or ibuprofen, can help manage pain and reduce inflammation.
5. Observation: In many cases, if the bleeding is minor and there is no significant pain or functional impairment, the body will naturally reabsorb the blood over time, and the discoloration will fade. This process can take several weeks.
6. Medical Evaluation: If the pain persists, worsens, or if you notice significant swelling, it is advisable to seek medical attention. A healthcare provider can assess the injury and determine if further intervention is necessary, such as draining a large hematoma or evaluating for any underlying conditions.
When to Seek Medical Attention
- If the pain is severe and does not improve with home treatment.
- If you notice significant swelling or changes in color that spread beyond the initial area.
- If you have difficulty moving the finger or if the injury affects your ability to perform daily activities.
- If you have a history of bleeding disorders or if you are on anticoagulant medications.
In summary, the black line you see in your fingertip may be a result of bleeding under the skin due to trauma from your gaming activities. With proper care, it is likely to resolve on its own. However, if symptoms persist or worsen, do not hesitate to consult a healthcare professional for a thorough evaluation and appropriate treatment.
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