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I do understand your concern.
Vaginal itching can be due to a lot of causes such as bacterial infection or vaginosis, candida infection or thrush, vaginal yeast infection ( e.t.c ) , STIs. Are you sexually active? When was your last period?
Prolonged itching can lead to swelling, and this points more towards an allergic reaction to some irritant. It can be any new scented soap that you have been using, or even the infections. Sometimes even uncorrected UTIs present with vaginal itching. So i would suggest you to avoid any such irritants, keep the area as dry as possible, maintain the hygiene. You can take a course of Tab. Claritin for 2-3 days, if it is due to allergy it will subside. In case it doesn't get better in a couple of days time, then it is better to get checked by a Gynaecologist, and she will run a few tests to find out whether it is fungal or bacterial. You can also get an urine routine done, just to make sure there is no uncorrected UTI.
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