Why am I so itchy downstairs?

My lady garden is too itchy at the moment & I don’t know what it is? No way can it be an STD, STI etc. what do you guys think? It comes on all of a sudden it burns me so bad then I can’t stop itching. I itch that bad I have blisters down there. No this really isn’t a laughing matter, I’m really scared 😟 I think it could be cancer. Please can someone help I’m so frightened & google is freaking me out 🥹🥹🥹please no trolls I’m a genuine person asking a genuine question. DO I GOT VAGINAL CANCER?😢😢😢
Why am I so itchy downstairs?
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