Medical 2-06-STD's
Terms
undefined, object
copy deck
-
Define pediculosis pubis
(pubic or crab lice)? - caused by Phthirus, a grayish, parasitic "crab" louse that lays eggs tha attach to the hair shaft
- How is crab lice treated?
- apply 1% permethrin creme rinse to affected area and wash it off after 10 minutes
- Define scabies?
- Sarcoptes scabiel is a parasitic itch mite; female burrows under skin to deposit eggs
- How is scabies treated?
- permethrin cream 5% applied to all body areas from neck down and washed off after 8 to 14 hours or lindane 1% shampoo (if pregnant, also add crotamiton 10% lotion)
- Define viral hepatitis?
- inflammatory process of liver caused by infection by viruses
- Define pelvic inflammatory disease?
- clinical syndrome of inflammatory disorders of upper female genital tract
- Define trichomoniasis?
-
sexually transmitted
infection caused by T.
vaginalis
transmitted by shared bath
facilities, wet towels,
or wet swimsuits
pt asymptomatic or mild
symptoms
more advanced symptoms are
yellow-green, frothy,
odorous discharge and
vulvular itching
woman may complain of dysuria
dyspareunia
sometimes subeqithelial
hemorrhages on cervix
(strawberry-like red
spots)visible with colpo-
scope
vaginal pH of 4.5 or higher
positive whiff test - How to treat trichomoniasis
-
metronidazole (Flagyl)administered in a single 2-g dose or, alternatively, metronidazole 500 mg twice daily for 7 days for both male and female sexual partners
avoid sex until cured
avoid alcohol with drug or
may cause abdominal pain,
nausea, flushing, tremors
(same as Antabuse) - Define chlamydial infection?
- caused by C. trachomatis; most common bacterial STI in U.S.
- How to treat Chlamydial infection?
- single dose of azithromycin (works for noncompliance) 1 g orally; or Doxycycline (inexpensive) 100 g by mouth twice a day for 7 days (if pregnant, use erythromycin or amoxicillin)
- Define gonorrhea?
- infection caused by bacterium Neisseria gonorrhoeae
- Gonorrheal treatment for nonpregnant women?
-
antibiotic therapy with:
cefixime
ciprofloxacin
ofloxacin
levofloxacin orally plus
doxycycline or
azithromycin
administered orally if chlamydia has not been ruled out - Define herpes genitalis?
-
two serotypes HSV-1 and
HSV-2 (most common; also
called herpes genitalis,
and that's the focus of
these cards)
symptoms and treatment for
both are the same
recurrent lifelong infection
multiple blisterlike vesicles
in genital area - Define syphilis?
- chronic infection caused by spirochete Treponema pallidum; divided into early and late stages
- Define condylomata acuminata; also called genital or venereal warts?
- caused by human papilloma virus; evidenced by single or multiple soft, grayish pink, cauliflower-like lesions in genital area
- What is the treatment for gonorrhea if pregnant?
-
ceftriaxone
cefixime with erythromycin
or amoxicillin - What is vulvovaginal candidiasis?
-
organism Candida albicans
diagnosed by wet-mount
hyphae - What is bacterial vaginosis?
-
organism Gardnerella vaginalis and Mycoplasma
hominis by wet-mount clue
cells - Nonpregnant women may treat bacterial vaginosis with?
- metronidazole
- Pregnant women may treat bacterial vaginosis with?
- metronidazole or clindamycin
- What is herpes genitalis?
-
organism herpes simplex virus
by herpes culture or titer - Herpes genitalis may be treated by?
- acyclovir
- What is AIDS?
-
human immunodeficiency virus
by ELISA test and Western blot; treatment for AIDS varies - What are genital warts?
-
human papilloma virus
by virapap, biopsy, Pap smear, colposcopy - Genital warts in nonpregnant women may be treated by?
-
cryotherapy
trichloroacetic acid (TCA) - Genital warts in pregnant women may be treated by?
-
cryotherapy
trichloroacetic acid (TCA)
BCA
Podophyllum
podofilox
excision - Pregnant women with trichomoniasis may be at increased risk for?
-
premature rupture of
membranes
preterm birth
low birth weight - How should pregnant women with trichomoniasis who are asymptomatic be treated?
- with a single 2-g dose of metronidazole orally to relieve their symptoms
- Immunotypes of chlamydia are responsible for what conditions?
-
lymphogranuloma venereum
trachoma (blindness) - What is trachoma?
-
caused by Chlamydia trachomatis bacteria;
world's leading cause of preventable blindness - Chlamydia is the leading cause of?
-
nongonococcal urethritis
(NGU)in men
in women, infection is
similar to gonorrhea
asymptomatic infections in
both genders
usually occurs in younger
generation - Chlamydia in women can infect which body parts?
-
fallopian tubes
cervix
urethra
Bartholin's glands - Severe sequelae can result in women from untreated chylamydial infection. These conditions that follow and result from a disease (sequelae) are?
-
PID
infertility
ectopic pregnancy - In men, chlamydial infections may result in?
-
epididymitis
infertility - Newborn exposure to chlamydia in the birth canal of the mother is the most common cause of?
-
ophthalmia neonatorum
(chlamydial pneumonia is
also found in newborns) - Chlamydial conjunctivitis responds to which medication?
- erythromycin ophthalmic ointment but not to silver nitrate eye prophylaxis
- Symptoms of chlamydia include?
-
thin or mucopurulent
discharge
cervical ectopia
friable cervix (bleeds
easily)
burning and frequency
of urination
lower abdominal pain - Gold standard test for chlamydia is?
- culture cervical cells
- Diagnosis is frequently made after treatment of a male partner for ____ or in a symptomataic woman with a negative ________ culture
-
NGU (nongonococcal
urethritis)
gonorrhea -
In chlamydia cases, the partners should be treated and the couple should abstain from intercourse for
_______ after taking the single-dose azithromycin treatment or for the entire _____ of doxycycline therapy -
7 days
7 days -
During pregnancies with chlamydial infections, use ______, NOT _________, although neither is highly effective, so take another culture ____ after completion
of medication -
azithromycin
doxycycline
3 weeks - Screening (primary?) for chlamydia is recommended for the following?
-
ages 20-25, asymptomatic,
sexually active females
women over 25 taking risks
high risk pregnant women in
first and third trimester - In gonorrhea cases, _____ seek early treatment due to symptoms, while ______are asymptomatic (50%) until complications occur?
-
men
women - If a pregnant woman contracts gonorrhea in third month, what may happen to newborn?
- the gonorrheal infection will remain localized in urethra, cervix, and B-glands until membranes rupture...possibly spreading upward to newborn. Newborn may contract ophthalmia neonatorum
- What tests for gonorrhea might be run during prenatal visits?
-
cervical culture
high risk pts again in last
month of pregnancy
cervical cultures may also
be done on urethra,
throat, and rectum - For symptoms of gonorrhea, please refer to?
-
chlamydia flashcard
(add possible swelling and
inflammation of vulva to
gonorrhea list) - Gonoorrheal treatment for nonpregnant women consists of ________ _______ including the following drugs: (4 oral, 1 IM)
-
antibiotic therapy
ORAL DRUGS:
cefixime
ciprofloxacin
ofloxacin
levofloxacin
IM DRUGS:
ceftriaxone - In gonorrheal cases, if chlaymdia has not been ruled out, please give the patient which meds as well as the gonorrheal drugs?
- doxycycline or azithromycin
- Which two infections commonly occur together?
- gonorrhea and chlamydia
- If the cultures for chlamydia and gonorrhea remain positive _____ to _____days after completion of treatment, the patient will be required to take additional treatment?
-
7
14 - For chlamydia and gonorrhea infections, pregnant women should be treated with what meds?
-
cephalosporin....
usually ceftriaxone IM
or cefixime orally to
cover the gonorrheal
infection
combine these with erythromycin or amoxicillin to cover the chlamydial infection as well
reculture after a couple of weeks to verify cure - Signs that a chlamydial/gonorrheal infection is worsening include?
-
sharp abdominal pain
fever
chills - HSV-2 is also called?
-
herpes genitalis
and at least 50 million people in US have been diagnosed with it;
most people remain undiagnosed - First outbreak (primary episode) of herpes genitalis lasts the longest and is the most severe and is characterized by what symptoms and in which parts of the reproductive system?
-
single or multiple blisterlike vesicles, in genital area and sometimes in:
vaginal walls
cervix
urethra
anus -
Herpes genitalis (HSV-2) vesicles may appear within a _______ ______ to _____ ____
after exposure and rupture spontaneously to form very painful, open, ulcerated lesions. -
few hours
20 days - How does HSV-2 (herpes genitalis) affect the renal system?
- can cause difficult urination and urinary retention...this is due to inflammation and pain secondary to the lesions
- How does HSV-2 (herpes genitalis) affect lymph system?
- there may be enlargement of INGUINAL lymph nodes
- How does HSV-2 (herpes genitalis) affect the respiratory system?
- may cause flu-like symptoms
- How does HSV-2 (herpes genitalis)affect the groin area?
- may be genital pruritis or tingling
- Lesions from HSV-2 (herpes genitalis) heal spontaneously in what amount of time?
- 2 to 4 weeks
- What is unique about the healing of lesions in HSV-2 (herpes genitalis)?
-
the virus enters a dormant phase, residing in the nerve ganglia of the affected area
(ganglion are a mass of nervous tissue composed of neuron cell bodies and lying outside brain or spinal cord)
this leaves the patient open for less severe regular recurrences - Less severe than the primary episode (first outbreak), regular recurrences of HSV-2 seem to be triggered by?
-
menstruation
ovulation
pregnancy
frequent or vigorous inter-
course
poor health status
generally run-down physical
condition
tight clothing
overheating - Diagnosis of HSV-2 may be made by?
-
PAP smear
lesion culture
Polymerase chain reaction
(PCR) i.d.
blood testing for antibodies?
(controversial) - Is there a known cure for HSV-2?
- No, only medications for pain relief in secondary infection cases.
-
Recommended treatment for the first episode of genital herpes (HSV-2) is?
((try to treat before lesions appear (prodromal phase)) -
oral acyclovir
valacyclovir
famciclovir
(pregancy use for the latter two not well-documented so acyclovir is more commonly used...)
(lower dosages used for regular recurrent episodes) -
What are the benefits of using acyclovir during pregnancy?
((the virus cycles (acyclovir) out of affected ganglia to cause recurrent episode))? -
used in primary episode (first outbreak) or severe recurrent herpes...
may reduce need for Cesarean section if used in third trimester - Self-care suggestions for herpes genitalis (HSV-2)?
-
cleansing with povidone-
iodine (Betadine)solution
to prevent secondary
infection
cleanse with Burow's solution
to relieve discomfort
use Vitamin C or lysine to
prevent recurrence
2% lidocaine (Xylocaine) used
to decrease lesion pain;
apply to lesion site
keep genital area clean and
dry
wear loose clothing
take sitz baths
wear cotton underwear or none
at all..will promote
healing - How does herpes genitalis (HSV-2) affect the newborn?
- if lesions are in genital tract during childbirth, it can be devastating, even fatal, on newborn