STDs are transmitted through intimate sexual contact. Fast response counts. If you suspect you have an STD, see a doctor as soon as possible. Outlook for cure. Some STDs can be treated and cured with antibiotics.
Prevention is the only treatment.
Depending on the infection, STDs can cause serious, long-term problems like infertility, central nervous system disorders, or in the case of AIDS, death. At present, no vaccines exist to prevent STDs. Once you've had an STD, you can get it again. You don't develop an immunity once you've been exposed. Parents don't have to know.