Chlamydia A very common STD that’s caused by a bacteria and can be cured with antibiotics. If left untreated, chlamydia can cause infertility and arthritis. Related Articles: Wrap it up, Grandpa! STI Rates are on the Rise, again, in Seniors over 60Glossary: Pelvic inflammatory disease (PID)Glossary: PID (pelvic inflammatory disease) Child pornography Chorionic villus sampling (CVS)
