I'm almost eighteen years old, and after having sex almost a week ago, I've been experiencing some itching/burning in my lower region. Today I found that one of my labia is swollen and sort of hard. This is the first time that something like this has happened. I've read up on most of the other posts on this topic, and I've really been hoping that this isn't one of those cysts. My parents don't know that I'm sexually active, and so I really don't want to have to see a doctor...can anyone help me?