Hello,
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Vaginal itching can be suggestive of infection or allergy.
Some suggestions for you:
1)Wear loose cotton undies.
2)Wash the area twice with Tea Tree oil mixed in water and keep it dry.
3)Apply OTC available antifungal ointments and observe for any changes.
4)Avoid douching,tampoon use,bubble bath etc.
If the symptoms worsen consider visiting a Gynaecologist as you might require prescription medications for relief.
Take Care!