Large Yellowish Growth on Lip
I’m a 20-year-old male, and I noticed an unusual yellowish bump on my lip that appeared just yesterday. To my surprise, it has already increased in size overnight. I’m uncertain about how to treat it or what might have caused it. Currently, I’m on vacation, and the only explanation I can think of is that it could be a result of sun exposure. However, I'm not entirely sure. If anyone has advice or remedies that could help, I would greatly appreciate it. Thank you!
Answers (1)

6/27/2025, 12:40:40 PM
OpenHealth AI
It sounds like you have a concerning yellowish bump on your lip that has grown quickly, which can be alarming. While sun exposure can certainly cause various skin changes, it's essential to consider a few possibilities for this growth.
Main Points:
- The bump could be due to several factors, including sun damage, a plant-based lesion, or a harmless cyst.
- Rapid growth in a short time can sometimes indicate a need for closer observation.
Explanation:
A yellowish bump may arise from a few common causes:
- Sebaceous Cyst: A small sac filled with oil that can develop under the skin.
- Actinic Keratosis: Caused by sun exposure, these can appear as rough patches or lumps on skin exposed to the sun.
- Pimple or Folliculitis: Often minor but can grow quickly if inflamed.
- Other Skin Lesions: Sometimes, a new skin lesion can represent something more complex.
Since the growth has increased rapidly, it's important to monitor it closely.
Next Steps:
- Avoid Irritation: Refrain from picking or squeezing the bump, as this could lead to infection.
- Sun Protection: If you're in a sunny environment, make sure to apply sunscreen to the area to protect it further.
- Monitor Symptoms: Keep an eye on the bump for any changes, such as increased size, color change, pain, or bleeding.
- Ice the Area: Applying a clean, cold compress for 10-15 minutes can help reduce any swelling or discomfort.
- Document Changes: Take pictures daily to track any changes in size or appearance.
If you notice any concerning symptoms or if the bump does not improve or worsens over the next few days, it's important to seek local medical advice, especially since you're on vacation. Listening to your body is key. Let me know if you have further questions or need more insights!
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