If you suspect that your sexual partner is being unfaithful, run, don’t walk to your nearest clinic.
If you suspect your partner is unfaithful, you should be tested for all sexually transmitted infections. This includes HIV, human papillomavirus, chlamydia, gonorrhea, syphilis and herpes simplex. There is also a test for mycoplasma which is a respiratory illness caused by contact with an infected person. The website for Center for Disease Control and Prevention is www.cdc.gov/std.