Thank you for waiting.
I am very sorry for her symptoms.
I understand your concern.
The itching, rash in that area is likely due to fungal infection.
It usually occurs due to sweating or moisture.
Other probable is dermatitis, allergy.
It does not look like cancer.
I feel you need not worry.
She needs to keep the area dry and cool & use cotton and loose underwear.
She can apply antifungal cream or spray like clotrimazole.
Boots antifungal cream can be applied.
It may take a week or more to show significant improvement.
Hydrocortisone cream can be added too.
Benadryl or claritin can be taken for itching.
If you do not see any improvement, I would advise to take an examination by doctor.
I hope this information will be helpful.
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