STIs and mouth Flashcards
STIs affecting the mouth
treponema pallidum (syphilis)
HSV
HPV
HIV
Syphilis bacteria
treponema pallidium
sprichetes
primary syphilis incubation time
10-90 days
where is syphilis commonly seen
mouth
extra genital sites
primary syphilis tx
antibiotics
primary syphilis chancre presentation
painless ulcer
1-2cm
indurated margin
secondary syphilis incubation time
less than 2 years
3-6 weeks
secondary syphilis presentation
haematogenous and lymphatic dissemination
multi system disease
secondary syphilis symptoms
low grade fever
sore throat
headache
lymphadenopathy
rash
secondary syphilis mouth presentation
white glistening patches - greyish membrane, hyperaemic halo, form ‘snail track’ ulcers
where in the mouth does secondary syphilis present
soft palate
hard palate
buccal mucosa
tongue
syphilis diagnosis
lesion swab for treponema pallidum by PCR
venous blood containing antibody
syphilis tx
antibiotic - benzathene penicillin or 2nd line doxycycline
HIV onset
2-4 weeks post infection
primary HIV symptoms
fever
rash
myalgia
pharyngitis
headache
Primary HIV oral lesions
apthous ulcers
candidiasis
features of HIV gingivitis
linear gingival erythema
necrotising ulcerative periodontitis
sudden onset
absence of plaque/ calculus
features in the mouth of HIV
kaposi sarcoma
gingivitis
mucosal candidiasis
oral hairy leukoplakia
seborrhoeic dermatitis
can health professionals with HIV carry out exposure prone tx
if they are antiretroviral tx
if they have an undetectable viral load in last 3 months
post exposure prophylaxis
combination antiretroviral drugs
4 week course
HSV types
1 or 2
HSV primary infection symptoms
gngivostomatitis
pharyngitis
+/- systemic symptoms
HSV recurrent infection symptoms
herpes labialis
what type of HSV is associated with recurrent infection
HSV-1
HSV in HIV symptoms
extensive lesions
hypertrophic lesions
resistance to aciclovir
what type of HSV is associated with genital herpes
HSV-2
what types of HPV cause gential warts
HPV 6 and 11
what HPV strains are oncogenic
16 and 18
