It's possible that you contracted herpes from the oral sex. I suggest that you go to an OB-GYN when the sores appear for a diagnosis. The doctor can take a sample of the crusted-over sore to send to the lab for confirmation.

It sounds like hsv2 which is genital herpes. You can get this by receiving oral when the person giving has cold sores on lips/mouth. Especially if you got a cold sore after kissing him, it is very likey you contracted herpes. Please see a doctor so you can be prescribed some medication to ease your symptoms and help prevent further transmission. If it is hsv2 please remember even when you don't have an active outbreak it is still possible to spread it to others.

It is posible that you have genital herpes from this encounter. You would most likely have HSV1 (not HSV 2) in trhe genital area since most people with cold sores have HSV1.

I say go and get tested ASAP. Your doctor can test the lesions themselves or give you a blood test.

I discovered last night that i had a bump on my vaginal area near the opening...
two weeks ago my husband ahad a cold sore on his lip and it cleard up. we had oral sex about a week ago and he said it was closed up and dry, I think that i have cold sore down there. i looked at pictures and blogs and symptoms on all sorts of web sites, and mine does not look like any of them. i think its from me shaving, its a bump with a cut in the middle. could a cut down there get infected from me shaving?? and make my left side of my groin hurt?? or id it a cold sore??