Asked for female, 24 years old from Visakhapatnam
It can be because of infection.
1. You should maintain high grade of personal hygiene.
2. Do change your underclothes at least 2 times a day
3. Wear cotton under garments
4. Stay hydrated. Drink plenty of fluids.
5. Keep the area dry
Homeopathy is a very effective for this problem n has very encouraging results. And homeopathic medicines are safe and do not have any side effects at all.