Hard Bumps After Seafood Injuries: What You Need to Know - Influenza

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Seafood sting?


Two weeks ago, I was pricked by a frozen shrimp while cooking, resulting in a small wound on my hand.
During the healing process, there was no noticeable redness or swelling, but after the wound healed, I noticed a small hard lump underneath the area where I was pricked, approximately 3mm in diameter.
It resembles a corn or callus.
Could this be a special condition? Does it have any significance?

Su, 20~29 year old female. Ask Date: 2020/11/25

Dr. Yang Zongyan reply Influenza


Hello! If you are experiencing any discomfort or have concerns about your health, it is recommended to consult with a family medicine clinic.
Thank you!

Reply Date: 2020/11/25

More Info


When you experience a hard bump or lump under the skin after an injury, such as being pricked by a frozen shrimp, it can be concerning. In your case, the small hard bump measuring about 3mm in diameter may be a result of several factors related to the injury.

Firstly, it's important to understand that when the skin is punctured or injured, the body initiates a healing response. This response often involves inflammation, which can lead to the formation of scar tissue. Scar tissue is denser than normal tissue and can feel like a hard lump under the skin. This is a common occurrence after minor injuries and is usually not a cause for concern.

Another possibility is that the bump could be a result of a localized reaction to the injury. Sometimes, the body reacts to foreign materials or even the injury itself by forming a small cyst or a granuloma, which is a small area of inflammation. These can feel firm and may take some time to resolve as the body continues to heal.

If the bump is not painful, does not change in size, and there are no signs of infection (such as redness, warmth, or discharge), it is likely a benign condition related to the healing process. However, if you notice any changes—such as increased size, pain, or any other concerning symptoms—it would be wise to consult a healthcare professional for further evaluation.

In terms of prevention and care following such injuries, here are some general recommendations:
1. Clean the Wound: Always clean any puncture wounds thoroughly with soap and water to prevent infection. Applying an antiseptic can also help.

2. Monitor for Infection: Keep an eye on the injury site for signs of infection, such as increased redness, swelling, warmth, or pus. If these symptoms occur, seek medical attention.

3. Avoid Irritation: Try to avoid further irritation to the area. If the bump is painful or bothersome, consider using a protective bandage.

4. Consult a Doctor if Necessary: If the bump persists for an extended period, becomes painful, or if you have any other concerns, it’s advisable to see a doctor. They may perform an examination and, if necessary, imaging studies to rule out any underlying issues.

5. Follow-Up Care: If you have a history of allergic reactions or other complications from seafood, it’s important to inform your healthcare provider. They may recommend additional precautions or treatments.

In conclusion, while a hard bump after a seafood injury can be concerning, it is often a normal part of the healing process. However, staying vigilant and monitoring the injury for any changes is crucial. If you have any doubts or if the situation worsens, don't hesitate to reach out to a healthcare professional for peace of mind and proper care.

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