Sexually transmitted infections
Sexually transmitted infections may be caused by bacteria, viruses or parasites. Anyone who is sexually active can catch an STI. Medical treatment may cure STIs or relieve symptoms. Use condoms to reduce your risk.
Topic: Introduction to STIs
It is not difficult to avoid catching sexually transmissible infections (STIs).
Whether you’re straight, gay or bi, unprotected sex can lead to serious complications.
Safe sex is sexual contact that doesn’t involve the exchange of semen, vaginal fluids or blood between partners.