Sexually Transmitted Diseases

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Sexually transmitted diseases (STDs) are infections generally acquired by sexual contact. The organisms that cause sexually transmitted diseases may pass from person to person in blood, semen, or vaginal and other bodily fluids. Some of these infections can also be transmitted nonsexually, such as from mother to infant during pregnancy or childbirth, or through blood transfusions or shared needles. It's possible to contract sexually transmitted diseases from people who seem perfectly healthy - people who, in fact, aren't even aware of being infected. Many of the infections transmitted through sex cause no symptoms, which is one of the reasons experts prefer the term "sexually transmitted infections" to "sexually transmitted diseases." The symptoms of several sexually transmitted infections are also easy to mistake for those of other conditions, so the correct diagnosis may be delayed. Bacterial: Chancroid (Haemophilus ducreyi); Chlamydia (Chlamydia trachomatis); Granuloma inguinale or (Klebsiella granulomatis); Gonorrhea (Neisseria gonorrhoeae), colloquially known as "the clap"; Syphilis (Treponema pallidum); Fungal: Candidiasis (yeast infection); Viral: Micrograph showing the viral cytopathic effect of herpes (ground glass nuclear inclusions, multi-nucleation). Pap test. Pap stain.Viral hepatitis (Hepatitis B virus)-saliva, venereal fluids. (Note: Hepatitis A and Hepatitis E are transmitted via the fecal-oral route; Hepatitis C is rarely sexually transmittable, and the route of transmission of Hepatitis D (only if infected with B) is uncertain, but may include sexual transmission.) Herpes simplex (Herpes simplex virus 1, 2) skin and mucosal, transmissible with or without visible blisters; HIV (Human Immunodeficiency Virus)-venereal fluids, semen, breast milk, blood; HPV (Human Papillomavirus)-skin and mucosal contact. 'High risk' types of HPV cause almost all cervical cancers, as well as some anal, penile, and vulvar cancer. Some other types of HPV cause genital warts; Molluscum contagiosum (molluscum contagiosum virus MCV)-close contact; Parasites: Crab louse, colloquially known as "crabs" or "pubic lice" (Pthirus pubis); Scabies (Sarcoptes scabiei); Protozoal: Trichomoniasis (Trichomonas vaginalis), colloquially known as "trich";


Laboratory Test Procedures:

pain when urinating
unusual discharge from the genitals

RPR - Syphilis
GC/Chlamydia NAAT
Genital (Reproductive) Culture
Wet Mount (Trichomonas)
Herpes NAAT
Screen Low Risk Pap ICD-9
Screen High Risk Pap V15.89
Diagnostic Pap ICD-9
HPV Testing on ALL Pap Results (HPV AUTO)
DDxHub Differential Diagnosis online system provides with more lab test procedures...

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All information on this page is intended for your general knowledge only and does not provide medical advice, diagnosis or treatment. See Additional Information