Thank you for your question.
I am Dr. Su S. and I will try my best to help you.
Mole like area on the clitoris can be due to swelling from inflammation.
Fungal infection cause itching, irritation.
Itching can cause injury to the skin and causing burning sensation.
Bacterial infection can cause burning, irritation.
You can apply OTC Monistat cream.
If the symptoms continue, then take her to doctor for an evaluation.
Urine test can be done to check for urine infection.
I hope this information will be helpful.
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Wish her healthy life.