Found an ulcer like lump inside my vagina opening ***SEE PICTURE***

Hi, can somebody help me? I've found a very painful ulcer like lump inside the opening of my vagina and I have never experienced anything like this before! It's very itchy and painful. I also have an ulcer in my mouth which apperaed first and I'm not sure if they are related? I feel generally unwell and have aches in my knees and a bad chest (again, not sure if related)

From googling my symptoms I kept getting bechets disease? I thought it could be herpes but no I'm unsure, I paid to send the picture to an online doctor but they couldn't tell me what it was and sent me a refund! I am very worried now and no clinics are open for a couple of days. Can anybody help? Anybody experienced the same thing or heard about this before? Any info would be much appreciated!

Thanks in advance

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