Is this a STD/STI?

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I’m 24F and pretty sexually active with random hookups etc. This morning I noticed one blister (very tiny, red, filled with a liquid) on my clitoral hood right next to my clitoris, and it’s painful to the touch, and I feel a burning sensation in my clitoral area. I’ve slept with 3 different people in the past month, and I didn’t ask any of them if they had an STD. The last one was a couple days ago and he fingered quite rough and I started bleeding, so I’m wondering if it’s related to that? Basically.. could this be a STI/STF if it’s just one blister? I am worried it's herpes.

could be a friction blister or worse an std, u really should go get that tested to see exactly what your dealing with ..