Am I Infected? Pubic Lice and Its Transmission - Obstetrics and Gynecology

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Hello, doctor.
I would like to ask if I have pubic lice.
I experienced sudden itching in my genital area, especially around the pubic hair, and I noticed small brown spots on my underwear that look like dried blood.
I also found very small bugs that are visible but not often seen; I only noticed them when I wiped after using the restroom.
I visited a nearby gynecologist, but when I told the doctor, they didn't seem to react much and just gave me some medication to apply, saying it would be fine.
However, I am really scared.
Is this condition definitely transmitted through sexual activity? My boyfriend and I have not been unfaithful, and we have not had sexual intercourse, but we have had intimate contact (with genital contact).
Could the bed sheets be a factor? This is the first time I've encountered this, and I'm very worried.
Could you please help me with this? I would greatly appreciate it.

A Ke, 10~19 year old female. Ask Date: 2005/10/18

Dr. Zhuang Zhijian reply Obstetrics and Gynecology


Hello, Miss Ake: The primary mode of transmission for "pubic lice" is through sexual contact.
Other potential sources of transmission include public baths, towels in hotels, toilets, bed linens, and blankets.
Your symptoms are consistent with "pubic lice," but it is still recommended that you visit a gynecologist for diagnosis and treatment.

Reply Date: 2005/10/18

More Info


Pubic lice, also known as "crabs," are tiny parasitic insects that infest the hair in the pubic area, although they can also be found in other coarse body hair, such as underarm hair, chest hair, and even facial hair. The primary symptom of a pubic lice infestation is itching in the affected area, which is caused by an allergic reaction to the bites of the lice. The brownish spots you mentioned on your underwear could be remnants of dried blood from the bites, as well as the lice themselves, which are very small and can be difficult to see without close inspection.

Transmission of pubic lice primarily occurs through close physical contact, particularly during sexual activity. However, it is important to note that pubic lice can also be transmitted through sharing personal items such as towels, bedding, or clothing that have been in contact with an infested person. Therefore, even if you and your boyfriend have not engaged in sexual intercourse, close physical contact can still lead to transmission if either of you has been exposed to pubic lice.

Given your symptoms and concerns, it is advisable to take the following steps:
1. Consult a Healthcare Professional: If you suspect you have pubic lice, it is essential to consult a healthcare provider for a proper diagnosis. They can confirm the presence of lice and recommend appropriate treatment. Over-the-counter treatments are available, but prescription medications may be necessary in some cases.

2. Treatment: Treatment typically involves topical insecticides specifically designed to kill lice. It is crucial to follow the instructions carefully and to treat all affected areas. In addition, it is important to wash all clothing, bedding, and towels in hot water and dry them on high heat to eliminate any remaining lice or eggs.

3. Inform Close Contacts: If you are diagnosed with pubic lice, it is important to inform any close contacts, including sexual partners, so they can also be evaluated and treated if necessary. This helps prevent re-infestation and further spread of the lice.

4. Preventive Measures: To reduce the risk of future infestations, avoid sharing personal items and practice good hygiene. Regularly washing bedding and clothing can also help minimize the risk of transmission.

5. Emotional Support: It's understandable to feel anxious about this situation. Remember that pubic lice infestations are common and can happen to anyone. Seeking support from friends, family, or a counselor can help alleviate some of the stress associated with this condition.

In conclusion, while pubic lice are primarily transmitted through sexual contact, they can also be spread through shared items. If you are experiencing symptoms, it is essential to seek medical advice for a proper diagnosis and treatment. Taking proactive steps can help you manage the situation effectively and reduce the risk of re-infestation.

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