Lip Blisters: Herpes or Pearly Penile Papules? - Obstetrics and Gynecology

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Blister inside the lower lip?


I recently noticed many small blisters on my lower lip, with two of them being more prominent and feeling slightly raised when I touch them with my tongue.
The others are less noticeable and can only be seen under light.
I'm worried that it might be herpes.
Additionally, my boyfriend has about six or seven skin-colored, translucent bumps located just below the corona of his penis, but they do not form a complete ring.
He mentioned that they are normal.
Could you please advise whether this is herpes or pearly penile papules?

MONG, 20~29 year old female. Ask Date: 2015/10/12

Dr. Lü Lizheng reply Obstetrics and Gynecology


The herpes is more painful and usually appears at the corners of the mouth, so it doesn't look the same.
Of course, it is still advisable to seek medical examination for a more accurate diagnosis.
Sincerely, Dr.
Li-Cheng Lu, Taoyuan Hospital.

Reply Date: 2015/10/12

More Info


When it comes to understanding the nature of lip blisters, particularly in the context of your observations, it's essential to differentiate between herpes simplex virus (HSV) infections and pearly penile papules (PPP). Both conditions can present with small bumps or blisters, but they have distinct characteristics and implications.

Herpes Simplex Virus (HSV):
Herpes simplex virus is known for causing painful blisters, typically around the mouth (oral herpes) or genital area (genital herpes). The blisters often appear as clusters of small, fluid-filled vesicles that can rupture, leading to painful sores. Symptoms may include tingling or itching before the blisters appear, and they can be accompanied by systemic symptoms such as fever or swollen lymph nodes during an initial outbreak. If the blisters on your lower lip are painful, tender, or accompanied by other symptoms, it could indicate an HSV infection.
Pearly Penile Papules (PPP):
On the other hand, pearly penile papules are benign, small, dome-shaped bumps that typically appear around the corona of the penis. They are usually skin-colored or slightly lighter and do not cause any pain or discomfort. PPP is a normal anatomical variant and is not associated with any disease or infection. They are often mistaken for warts or other lesions, but they are harmless and do not require treatment.

Given your description of the blisters on your lip, if they are small, fluid-filled, and painful, it is more likely that they are herpes lesions. However, if they are not painful and resemble small bumps, they could be something else, possibly even a benign condition.
What to Do Next:
1. Observation: Monitor the blisters on your lip. If they develop into painful sores, crust over, or if you experience other symptoms like fever or swollen lymph nodes, it would be prudent to consult a healthcare provider for evaluation and potential antiviral treatment.


2. Consultation: It would be wise for your boyfriend to have his bumps evaluated by a healthcare professional as well. While he believes they are normal, a medical examination can confirm that they are indeed pearly penile papules and not another condition.

3. Testing: If there is any doubt about the nature of the blisters, a healthcare provider may recommend a swab test of the lesions to determine if HSV is present.
4. Education: Understanding the differences between these conditions can help alleviate anxiety. Herpes is a common viral infection, and while it is manageable, it is important to practice safe sex and communicate openly with partners about sexual health.

In conclusion, while the presence of blisters on your lip could suggest an HSV infection, the nature of the bumps on your boyfriend's genital area is likely benign if they are indeed pearly penile papules. Seeking medical advice will provide clarity and peace of mind for both you and your boyfriend.

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