Mehl. STDs HPV, chlamydia Flashcards
HPV 6/11 cause?
condylomata acuminata (warts).
HPV is not limited to the
genitalia and can cause?
laryngeal papillomatosis in neonates (warts of the vocal cords), which is asked on NBME.
HPV 16/18 cause?
squamous cell carcinoma of genitalia/anus;
squamous cell carcinoma of genitalia/anus; What HPV?
HPV 16/18
condylomata acuminata (warts), laryngeal papillomatosis in neonates. What HPV?
HPV 6/11 cause
risk of overt squamous cell carcinoma of genitalia/anus is increased in what?
In immunocompromised (i.e., HIV in MSM) and heavy smoking.
The “regular” STD are Chlamydia D-K strains.
.
Chlamydia. discharge?
mucopurulent
Chlamydia -> can advance to what disease?
Can advance to PID in females –> risk of ectopic pregnancy.
Chlamydia. why cannot be grown?
Obligate intracellular, so cannot be grown.
Chlamydia. what would show discharge under microscope?
Discharge will show WBCs under light microscopy with no organisms. If the vignette tells you no organisms grow, this is
pass-level for Chlamydia.
Chlamydia. Tx?
Treat with stat/one-off oral dose of azithromycin;
Chlamydia. Tx azitromycin = what adverse might occur?
can cause GI disturbance.
Chlamydia. if doxycyline, what regimen?
one-week of BID (i.e., twice/day) doxycycline;
Chlamydia. If use doxycyline, with what products dont take?
cannot
be taken with dairy or divalent cations (impaired absorption);
Chlamydia. If use doxycyline = skin adverse?
can also cause
photosensitivity;
Chlamydia. doxycyline = considered to be slightly more efficacious than azithromycin but
much more annoying and arduous to take.
.
Chlamydia.
USMLE won’t play trivia as to which drug is first-line; there will only be one
correct answer. For example, doxy is not given in pregnancy, so if you’re forced to choose between the two, in this case you know it’s azithromycin (or even sometimes erythromycin in pregnancy).
.
Chlamydia. Doxy isn’t given in pregnancy because it can cause …..?
teeth discoloration in the
eventual neonate.
Chlamydia. MSK CP?
Chlamydia can cause reactive arthritis (triad of urethritis, arthritis, and eye-itis – i.e., any inflammation of the eye, e.g., conjunctivitis, anterior uveitis, etc.).
Chlamydia. - To PREVENT ophthalmia neonatorum (neonatal conjunctivitis), treat the female when?
while she is pregnant;
Chlamydia. - To Tx actual ophthalmia neonatorum (neonatal conjunctivitis), regimen?
give oral
erythromycin.
Chlamydia. Conjunctivitis in a neonate can lead to …
Chlamydia pneumonia.
Chlamydia. Chlamydia A-C are not STDs and cause …….?
trachoma (cause of blindness in Africa).
Chlamydia. - Chlamydia L1-3 cause ….?
lymphogranuloma venereum (anal strictures).
