sexually transmitted infections

National HIV and STD Testing Resources

For those in the USA, find HIV and STD testing centers near you, as well as sites to receive vaccines for certain STDs. Site also provides information about HIV and STDs and can help guide your testing decisions.

Prior to Periods

Laura
asks:
I'm 13 and i just want to know out of curiosity if you can have sex if you haven't ever had your periods AT ALL? Does it make any difference if you've had them before or if you haven't?...

What the heck is this thing?

hoium
asks:
Lately I've noticed at the front of the opening of my vulva, there is a round, gland-like thing that protrudes slightly from the opening. I didn't really think much of it at first, but it's really uncomfortable to touch, which makes sex very uncomfortable. It also seems to swell slightly when agitated, such as after intercourse. What is this thing? And why is it all of a sudden in my way?...

Would I see STI symptoms in a month?

b_morebabi
asks:
If I had sex about 1 month ago and used no protection and was on my period would signs of a serious diseases that could be dangerous, would it show up in that time?...

Chlamydia vaccine on the way

According to recent news articles, such as this one, researchers are currently working on a vaccine to prevent chlamydia. It appears this has been in the works for a while, but they have just recently had a major breakthrough, and we are now that much closer to making it a reality.

Red dots on penis

know_ravik
asks:
I have many small red dots / spots on the tip of the penis. It pains during masturbating and during bathing in warm water. These red spots have come only recently, probably, some days after unsafe sex with a guy! What could this be! Is there any medicine that I can take....