What is the disease of external factor itching?

Patient's question:

Detailed medical condition and consultation purpose: Mild itching in the vulva for about a month, especially at night. The vaginal discharge cleanliness was rated as grade 2 (I usually pay attention to hygiene), and the vulva appeared brush-like. The doctor mentioned it might be a bit of a problem. They prescribed "Apothecary," but the hospital has run out, and I couldn't find it at any pharmacy outside. About 10 days ago, due to unbearable itching, I used "Pikang" for three days and saw some improvement. But I didn't want to use medication without a doctor's guidance, and these days the itching has returned, making it very uncomfortable. Please help me, thank you very much.
1. "Apothecary" is unavailable; is there any other medication that could be used as a substitute?
2. I haven't had sex.

Doctor's answer:

First, we need to address your infection issue. Samples of external genital secretions can be taken for culture and drug sensitivity tests to ensure more effective and timely treatment. If it becomes chronic inflammation, it can recur repeatedly, making it very difficult to treat.
Reproductive infections can also occur in virgins. The routes of infection can be through blood (such as injections) or contact with bedding, towels, etc. A weakened immune system is a common trigger for the onset of the disease.

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