Warts and Common Skin Issues: Expert Insights

Wart issues and general skin problems?

Hello Doctor, I heard that acetic acid can be used to test the epidermis of the vulvar area for the presence of warts.
Out of curiosity, I used regular household white vinegar for testing and noticed a white streak at the vaginal opening, which is very painful and feels like an injured wound.
The area that reacted with the acetic acid does not have the typical appearance of warts, as it does not resemble cauliflower or have a granular texture.

1.
Based on your expertise in dermatology, is it possible for acetic acid to cause a white reaction on a broken skin area, or is it definitely due to the presence of warts?
2.
Another question is regarding my forearm, which has been infected with tinea corporis (ringworm) from a cat for many years.
Initially, I contracted it in the fall, and after visiting a doctor and applying medication, it subsided.
However, it reappeared in the summer after seemingly resolving in the winter.
Is there a way to completely cure this condition? What treatment options are available? I really want to eliminate it, as it is unsightly and bothersome.

3.
If it cannot be completely cured, I am very concerned about transmitting it to my family.
What measures can I take to prevent transmission to others? Additionally, if I become pregnant in the future, is there a risk of vertical transmission? Thank you for your answers! Wishing you a Happy New Year!

Lu, 20~29 year old female. Ask Date: 2014/01/16

Dr. Wu Yuxin reply Dermatology

1.
Warts are not diagnosed this way; a physician's examination or biopsy is necessary for diagnosis.
2.
Are you referring to ringworm as a fungal infection? Has your cat received treatment for it? Fungal infections can be eradicated, but there is a possibility of reinfection.
3.
It is essential to pursue active treatment; I recommend seeking medical attention as soon as possible.

Reply Date: 2014/01/16

More Info

When it comes to skin issues such as warts, eczema, and fungal infections like tinea (ringworm), understanding the underlying causes and appropriate treatments is crucial. Let’s address your questions one by one.

1. Acetic Acid Test and Skin Reaction: You mentioned using white vinegar (acetic acid) on a potentially injured area of your skin and observing a white mark that was painful. Acetic acid can cause a whitening effect on the skin, especially if there are any abrasions or broken skin. This reaction occurs because acetic acid can irritate the skin and cause inflammation, leading to a temporary whitening effect. However, it is also true that certain viral infections, such as human papillomavirus (HPV), can cause lesions that may react to acetic acid. The absence of typical wart characteristics (like a cauliflower appearance) does not rule out the possibility of a viral infection. It is advisable to consult a dermatologist for a proper diagnosis rather than relying solely on home tests.

2. Treatment of Tinea (Ringworm): Tinea is a fungal infection that can be persistent and may require prolonged treatment. While topical antifungal creams can be effective, they may not always eradicate the infection completely, especially if the fungus is deeply embedded in the skin or if there are environmental factors that contribute to its recurrence. Oral antifungal medications may be necessary for more severe or recurrent cases. It is essential to follow your healthcare provider's recommendations and complete the full course of treatment, even if symptoms improve. Additionally, maintaining good hygiene, keeping the affected area dry, and avoiding sharing personal items can help prevent reinfection.

3. Preventing Transmission and Concerns During Pregnancy: To prevent the spread of tinea to family members, avoid sharing towels, clothing, or personal items. Regularly wash bedding and clothing in hot water, and ensure that any surfaces that may come into contact with the infection are cleaned thoroughly. As for concerns about vertical transmission during pregnancy, tinea is not typically transmitted from mother to child in utero. However, it is essential to maintain good hygiene and seek treatment to minimize any risk of transmission during delivery or through skin contact after birth.

In summary, skin issues can be complex and often require professional evaluation and treatment. Home remedies and tests can sometimes provide insights but are not substitutes for medical advice. If you are experiencing persistent skin problems, it is best to consult a dermatologist who can provide a comprehensive assessment and tailored treatment plan. Remember, early intervention can lead to better outcomes and help you manage your skin health effectively.

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