Common viral stis genital herpes simplex hsv ii or i

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Common Viral STIsGenital herpes simplex (HSV II or I)Human papilloma virusHepatitis viruses B > A > CHuman Immunodeficiency Viruses (HIV I and II)Other HerpesvirusesoCytomegalovirusoEpstein Barr VirusoKaposi’s Sarcoma-associated (HHV 8)Common Protozoal and Insectal STIsProtozoan = TrichomoniasisInsecta =oPediculosis pubis (louse, crabs)oSarcoptes scabiei (burrowing mite, scabies)Common Syndromes of STIs:Mucocitis(cervicitis, urethritis, proctitis, conjunctivitis)ogonorrheaochlamydiaGenital (skin or mucosa) ulcer(s) / lymphadenopathyoHerpes simplex I and II,oprimary syphilis,olymphogranuloma venereum (Chlamydia trachomatis),oChancroid (Hemophilus ducrei)Vaginitis / vaginal dischargeoTrichomonasoBacterial vaginosisoCandidiasis (thrush) (not an STI but can feel like one)Gastroenteritis/hepatitis(bacterial, protozoal and viral infections fromfecal-oral exposures)oBacteria - shigella, salmonella, campylobacteroProtozoa - giardia and entamoebaoViruses – hepatitis A, rotavirus, enterovirusesGenital Exam and Labs:Gather vaginal and cervical samples for immediate microscopy:oWet mount for trichomonasoGram stain for gonococci and bacterial vaginosisoKOH for candidaSubmit samples of cervical secretions to lab foroPap smear for HPV-induced neoplastic cellsoDNA testing for gonococci and chlamydiaTrichomoniasis: ProtazoaTrichomonas vaginalis= sexually transmitted flagellated protozoan ofgenital tractInfection exclusively of the genitaliaProbably most common STD in the worldHighly associated with other STIsSx in women:oVaginal and labial itching, irritation, redness, dysuria, but~5%asymptomaticoUsually have yellow-green frothy discharge, but may have onlynodular cervical (“strawberry cervix”)oComplications unusual but can promote rupture of membranes andpremature delivery during pregnancySx in men:Most asymptomaticoMild urethritis in minorityoAscending disease in prostate or epididymis is rareTrich Transmission:oHeterosexual contact (bidirectional)oFemale to female with contaminated fomites “sex toys”oRarely if ever transmitted male to male through oral or anal sexTreatment:oSingle dose metronidazole(Flagyl)oSexual contacts for the past 2 monthsoNo alcoholwith medicationoSE: Can cause violent nausea or vomitingMucocutaneous Bacterial STIs:Gonorrhea and chlamydiaCauses overlapping syndromes including conjunctivitisAll gonorrhea patients are treated for chlamydia and vice-versaBoth GC and Chlam diagnosed in same sample by nucleic acid detectiono(urethra>conjunctiva>oral>rectal)oGC: one of the most common causes of monoarticular arthritisi.e. swelling of a jointEpidemiologyof Chlamydia trachomatis:Most commonly reporte disease in USObligate intracellular growth makes culture impracticalDetection in asymptomatic men and women has greatly increased bywidespread screening using DNA based techniqueso

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Term
Spring
Professor
staff
Tags
Bacteria, Gram stain, Virulence factors

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