Nail Issues: Causes and Treatments for Toenail Pain - Dermatology

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Nail issues


Hello Doctor, a while ago I suddenly felt pain in my toe while sleeping.
When I got up to check, I noticed a faint bruise, a small area of darker color near the base of the nail, but I didn't pay much attention and went back to sleep.
The next morning, since it didn't hurt anymore, I forgot about it.
Yesterday, when I was about to trim my nails, I discovered that part of the nail had separated, with larger separation on the side and a slight recession at the front.
The bruise that was originally near the base has moved forward and seems to have spread, becoming wider and extending toward the root.
What could this problem be? Thank you, Doctor.

Niming, 20~29 year old female. Ask Date: 2018/07/21

Dr. Wu Yuxin reply Dermatology


It is likely that the subungual hemorrhage is caused by external trauma, but without observing any lesions, it is difficult to determine the exact issue.
If it is causing significant distress, please seek medical attention promptly.

Reply Date: 2018/07/21

More Info


Toenail pain and changes in the appearance of the toenail can be concerning and may indicate various underlying issues. Based on your description, it sounds like you may be experiencing a condition known as subungual hematoma, which is a collection of blood beneath the toenail, often resulting from trauma or injury. The discoloration you observed, particularly the bruise-like appearance near the base of the nail, suggests that there was some form of trauma, even if it was not immediately painful or noticeable at the time.

The separation of the toenail from the nail bed, known as onycholysis, can occur for several reasons. In your case, it may be related to the trauma you experienced, which can cause the nail to lift away from the nail bed. This separation can be exacerbated by factors such as fungal infections, psoriasis, or even allergic reactions to nail products. Given that you mentioned the toenail is separating at both the sides and the front, it is essential to consider these factors.

Here are some potential causes and treatments for toenail pain and separation:
1. Trauma: As mentioned, if you accidentally stubbed your toe or dropped something on it, this could lead to bruising and subsequent separation of the nail. If the pain subsides and the nail is not severely damaged, it may heal on its own. However, if the nail is significantly lifted or if there is ongoing pain, it may require medical attention.

2. Fungal Infections: Fungal infections can cause nails to become discolored, thickened, and brittle. If you notice any signs of fungal infection, such as a foul odor or a change in texture, it may be worth consulting a healthcare provider for antifungal treatment.

3. Psoriasis: This skin condition can also affect the nails, leading to pitting, discoloration, and separation. If you have a history of psoriasis or other skin conditions, this could be a contributing factor.

4. Allergic Reactions: Sometimes, reactions to nail polish, nail hardeners, or other products can cause irritation and separation. If you have recently used any new products, consider discontinuing them to see if the condition improves.

5. Nail Care Practices: Improper nail trimming or excessive moisture can lead to issues. Ensure that you are trimming your nails straight across and not too short, as this can prevent ingrown toenails and other complications.

In terms of treatment, here are some recommendations:
- Keep the Area Clean: Maintain good hygiene by washing your feet regularly and keeping the toenail area clean and dry to prevent infection.

- Avoid Further Trauma: Protect the toe from further injury. If the nail is painful, consider wearing open-toed shoes or sandals until it heals.

- Consult a Healthcare Provider: If the toenail continues to separate, if you experience increased pain, or if you notice signs of infection (such as redness, swelling, or pus), it is crucial to seek medical advice. A healthcare provider may need to examine the nail and possibly perform a procedure to relieve pressure if there is a significant hematoma.

- Monitor for Changes: Keep an eye on the toenail's appearance. If it begins to grow back normally, that is a good sign. However, if it does not improve or worsens, further evaluation may be necessary.

In conclusion, while toenail pain and separation can often resolve on their own, it is essential to monitor the situation closely and seek medical advice if necessary. Proper nail care and attention to any changes can help prevent further complications and ensure the health of your toenails.

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