1 doctor weighed in:

Hi, yesterday i had a black dot near the entrance to my vagina and now there's a swollen lump and a crater looking ulcer. Is this a canker sore?

1 doctor weighed in

In brief: No

Canker sores are sores in the mouth, also known as apthous ulcers.
A sore and/or ulcer by your vagina is potentially one of many things, commonly an std - sexually transmitted disease. I would recommend you see your physician promptly for treatment, and avoid any sexual contact with anyone until you do so and are cleared for sexual activity by your doctor.

In brief: No

Canker sores are sores in the mouth, also known as apthous ulcers.
A sore and/or ulcer by your vagina is potentially one of many things, commonly an std - sexually transmitted disease. I would recommend you see your physician promptly for treatment, and avoid any sexual contact with anyone until you do so and are cleared for sexual activity by your doctor.
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