STIs and STDs

Overview of STIs and STDs

Sexually transmitted infections (STIs), also called sexually transmitted diseases (STDs), are conditions that occur from the spread of certain bacteria, viruses, or parasites during sexual activity. Common STIs/STDs include:

  • Gonorrhea
  • Chlamydia
  • Syphilis
  • Pelvic inflammatory disease
  • Herpes
  • Hepatitis
  • HIV/AIDs
  • Genital warts (from human papillomavirus, or HPV)
  • Trichomoniasis
  • Chancroid
  • Scabies

Some STIs/STDs cause serious health problems, including infertility and cancer. If left untreated, some may be fatal. Women are more likely than men to develop serious complications from sexually transmitted infections. If you have any concerns, Find a Doctor at Dignity Health for discreet treatment of symptoms of STIs/STDs in AZ, CA, and NV.

Symptoms of STIs and STDs

STD symptoms vary according to the type of infection. In some cases there are no obvious signs or symptoms. Common symptoms include:

  • Sores or unusual lumps in the genital area
  • Unusual vaginal discharge, including green, gray, white, yellow, or foul-smelling discharge
  • Pain, itching, or burning in the genital region
  • Painful urination
  • Pain during intercourse
  • Fever
  • Fatigue
  • Enlarged lymph nodes
  • Rash

Causes of STIs and STDs

Sexually transmitted bacteria, viruses, and parasites cause STIs/STDs. They are spread through oral sex, vaginal sex, anal sex, and sexual touching. Some infections are passed from a woman to her child during pregnancy or at birth.


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