A Blue Bump on My Finger Has Unexpectedly Expanded
I'm a 16-year-old male currently undergoing treatment with Accutane, which I began approximately three months ago. A couple of years back, I had a minor accident where I fell onto grass, trying to break my fall with my hands. Ever since that incident, a small blue bump has developed on one of my fingers. Over the last three years, its size has fluctuated—sometimes it appeared flat, while at other times, it would swell into a larger lump. Unfortunately, I don't have any photographs to document these changes. Typically, when I applied gentle pressure or curled my fingers, the larger bumps would subside rather quickly. However, this morning, I discovered that the bump had grown significantly, making it quite painful to grab my shampoo bottle due to the pressure. To my surprise, pressing down on it no longer resulted in a reduction in size. It's been six hours since my shower, and the bump remains unchanged. I was advised to apply ice, but so far, that hasn't made a difference either. I'm concerned about this situation, particularly since I have social events coming up next month. Is there a chance this bump will resolve itself soon?
Answers (1)

7/26/2025, 10:20:33 PM
OpenHealth AI
It sounds like you're experiencing a concerning change in a bump on your finger, especially given the recent increase in size and pain. Here’s how to approach the situation.
Main Points:
- The bump may be related to previous injury or inflammation but is now causing pain and is not responding to usual actions.
- Immediate steps focus on monitoring symptoms and managing discomfort.
Explanation:
A blue bump that has changed size and is painful could be a variety of things, such as a cyst, a hematoma (blood accumulation), or even a more complex issue like a ganglion cyst or inflammation related to your previous injury. Given that you've been treated with Accutane, it's important to consider how your skin and healing capacity may be affected.
Your concern about the bump not responding to pressure or ice treatment is notable, as it suggests that there may be inflammation or other changes requiring attention. Although it’s possible for minor issues to resolve spontaneously, this seems to be a significant change and should be handled carefully.
Next Steps:
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Ice Application: Continue applying ice to the bump for 15-20 minutes every hour to help reduce inflammation. If there's no improvement after a day, it may require further evaluation.
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Rest and Elevation: Try to minimize using that finger as much as possible. Keeping your hand elevated can help reduce swelling.
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Pain Management: Consider over-the-counter pain relievers like ibuprofen or acetaminophen, following the dosage instructions on the package, to help alleviate pain if needed.
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Watch for Changes: Monitor for any new symptoms, such as increased redness, warmth, or additional swelling. If you notice these, it could indicate an infection or more serious issue.
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Documentation: Keep a log of any changes in size, pain level, and any other symptoms over the next several days to help inform future actions.
Given your situation and especially since the bump has changed and become more painful, I recommend being prepared to consult a healthcare professional if symptoms persist, worsen, or if you have concerns about its appearance or function. This way, you’ll be ready to address it ahead of any social events you have planned.
Take care, and let me know if you need more assistance!
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