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STIs Flashcards

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1
Q

What is the treatment for Chlamydia?

A

Doxycycline 100mg BD for 1 week
OR
Azithromycin 1mg oral stat

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2
Q

What is the treatment for Gonorrhoea?

A

Ceftriaxone 500mg STAT IM &

Doxycycline 100mg BD 1week/ Azithromycin 1mg oral STAT

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3
Q

What is the treatment for PID?

A

Doxycycline 100mg BD 1week
& Metronidazole 400mg oral BD 1 week &
Ceftriaxone 500mg IM STAT

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4
Q

What is the treatment for Trichomoniasis?

A

Metronidazole 400mg BD 5days

alt: 2mg oral STAT

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5
Q

Which STIs are notifiable diseases?

A

Hep A, B & C

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6
Q

What are major complications of STIs (& which ones)?

A
  • SARA= Chlamydia

- DGI= Gonorrhoea

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7
Q

What is SARA & how is it managed?

A

Sexual acquired reactive arthritis

Abx, NSAIDs, topical steroids for skin, contact tracing

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8
Q

What are RF for SARA/Reiter’s?

A

Psoriasis
Ankylosing spondylitis
Male

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9
Q

What 3 things make up Reiter’s syndrome?

A

Balanitis/urethritis (may see circinate balanitis- erythematous lesions on the penis)
Conjunctivitis
Arthritis

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10
Q

In GUM clinics, what measures are in place to protect confidentiality?

A
  • Caldicott guardians
  • Use of number rather than name
  • No routine communication with GPs
  • No requirement to give name/address/GP details
  • Trace contacts without identifying index case
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11
Q

Do you have to tell a patient you are going to break confidentiality/disclose information?

A

Only disclose if harms likely to arise from non-disclosure are greater than possible harm both to patient and public trust in doctors that may arise from disclosure`

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12
Q

What organism causes chlamydia?

A

Chlamydia Trachomatis

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13
Q

What are the signs & symptoms of Chlamydia?

A 
70% W & 50% M asymptomatic
Cervical motion tenderness
Pelvic pain/tenderness
Dysuria
Purulent discharge
PCB/IMB
Deep dyspareunia
Epididymo-orchitis
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14
Q

How is Chlamydia investigated?

A

NAAT swabs
M: FCU & urethral swab
W: Endocervical/vulvovaginal swab

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15
Q

What are the causes of Gonorrhoea?

A

Exposure to cervical exudates during birth

N. Gonorrhoeae

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16
Q

What are the signs & symptoms of gonorrhoea?

A

Babys: Infection (Conjunctivitis) 2-5days after birth
M: Mucopurulent urethral discharge, dysuria
F: 50% asymptomatic, inc/altered vaginal discharge, dysuria, IMB, dyspareunia
Rectal: Anal discharge, acute proctitis, (peri)anal pain, tenesmus, rectal bleeding

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17
Q

How long does it take from infection to symptoms in Gonorrhoea?

A

10days

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18
Q

How is gonorrhoea investigated?

A 
No earlier than 3days after sex with infected partner
NAAT swabs
Swab for cultures
FPU for men
Endocervical swab for women
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19
Q

What causes Syphilis?

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A

Treponema Pallidum

20
Q

What are the signs & symptoms of Syphilis?

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A

CHANCRE- non-tender ulcers
Lymphadenopathy
Diffuse rash macules & papules
Neuro: Ataxia, Charcot’s joints

21
Q

What are the signs of congenital syphilis?

Study These Flashcards
A 
Mental retardation
Saddle nose
Sabar teeth
Rhinitis
Hepatosplenomegaly
22
Q

How is Syphilis investigated?

Study These Flashcards
A

Serology: 10mL clotting sample for syphilis screen
Virology swab fro active lesions for PCR
Darkfield microscopy: Visualisation of bacteria= immediate treatment

23
Q

How is Syphilis treated?

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A

Partner notification
Benzathine Benzylpenicillin 1.8g IM Single dose
Congenital: IV aqueous Benzylpenicillin
Neuro: Benzylpenicillin Sodium 10.8g/day IV/4hourly & Prednisolone 40mg orally for 3 days
24hours before Penicillin

24
Q

What are the cause of genital warts?

25
What is the incubation time of genital warts?
3months
26
How are genital warts treated?
No treatment Self applied: Podophyllotoxin Specialist: Tricholoracetic acid Ablative methods: Cryotherapy, excision, electrocautery
27
What do you need to warn women about when using Podophyllotoxin?
Teratogenic
28
What is the prognosis for genital warts?
No cure Goal is to eliminate visible lesions Left alone 10-30% resolve on their own
29
What causes genital herpes?
HSV-2
30
What are the signs & symptoms of genital herpes?
Multiple painful bilateral blisters Local oedema Tingling/neuropathic pain in genital area/lower back/legs/buttocks
31
How is herpes investigated?
Swab from base of a lesion for viral culture PCR Vulvovaginal swab
32
How is genital herpes treated?
Commence within 5days of start of episode Acyclovir 400mg TDS for 5-10days Analgesia Salt water bathing
33
What is bacterial vaginosis?
Inflammation caused by overgrowth of natural vaginal bacteria upsetting the natural balance
34
What bacteria can cause vaginosis?
Gardnerella vaginalis Prevotella spp Mycoplasma Mobiluncus
35
What is the Amsel criteria diagnostic for & what are the components?
``` For bacterial vaginosis >3 of the following: - Homogenous discharge - pH >4.5 - Fishy odour Microscopy showing vaginal epithelial cells coated with large no. of bacilli ``` Other investigations: High vaginal swab
36
How is bacterial vaginosis treated?
Metronidazole 400mg BD for 5-7days
37
What parasite causes public lice?
Pthyris Pubis
38
What are the signs & symptoms of pubic lice?
Itchy red papules Blue macule visible at feeding sites (thighs/lower abode) Scatterings of minute dark-brown specks (louse excreta) on skin & underwear
39
What is the management for pubic lice?
Partner notification in the past 3 months 2 applications of Malathion 0.5% aqueous lotion/ Permethrin 5% dermal cream 7 days apart
40
What is scabies?
Infestation with the ectoparasite Sarcoptes scabiei, a mite that burrows through the human stratum corneum.
41
What are the signs & symptoms of scabies?
ITCH! Blue spots Perifollicultits Track/burrow marks
42
What is crusted scabies a sign of?
Immunodeficiency
43
How is scabies investigated?
Skin scrapping | Ink burrow test: Ink tracks into burrow marks
44
What is the management for scabies?
Within 24hours treat all members of the household, close contact, sexual contacts with topical insecticide Machine wash at 50degrees Partner notification within 2months Topical Permethrin 5% apply twice one week apart
45
How is thrush treated?
Fluconazole 1tablet STAT
46
How is epididymitis treated?
GC suspected: Ceftriaxone 500mg IM STAT & Azithromycin & Doxycycline Epididymitis alone: Doxycycline 100mg oral BD 2weeks
47
How is NSU treated?
Heterosexual: Azithromycin 1mg oral STAT MSM: Doxycycline 100mg oral BD 1week

GOSH (17 decks)

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