STIs

Question 1

How is chlamydia passed on?

Answer 1

Through infected secretions - mucous membranes coming into contact with the secretions of an infected person

Question 2

Is chlamydia more common in males or females

Answer 2

Females

Question 3

How common are symptoms in chlamydia

Answer 3

Not common. Often asymptomatic

Question 4

Why are beta lactams not effective for chlamydia

Answer 4

Has no peptidoglycan wall

Question 5

Treatment for chlamydia?

Answer 5

Doxycycline 100mg for 7 days or azithromycin 1g stat

Question 6

Which 2 STIs are difficult to differentiate between?

Answer 6

Chlamydia and gonorrhoea

Question 7

Is gonorrhoea more common in women or men

Answer 7

Men

Question 8

Why is treatment in rural areas different to metro for gonorrhoea?

Answer 8

Because rural areas have the strain that has lower rates of resistance to penicillins, so amoxicillin can be used

Question 9

Metro treatment for gonorrhoea?

Answer 9

Ceftriaxone injection with lidocaine

Question 10

When should you get re-tested for chlamydia or gonorrhoea?

Answer 10

After 3 months

Question 11

First signs of syphilis?

Answer 11

Papules at site of contact - develops within 10-90 days of exposure
Then heals spontaneously

Question 12

Define congenital syphilis

Answer 12

Passed from mother to baby - causes failure to thrive and mental retardation in baby

Question 13

Which STI still has good sensitivity to penicillins, so benzylpenicillin is the most common tx option?

Answer 13

Syphillis

Question 14

Bacterial vaginosis and trichomonas vaginalis can both be treated with either a stat dose or daily dose for 7 days of which antibiotic?

Answer 14

Metronidazole.

Stat dose has better adherence but poorer efficacy

Question 15

Which vaginal infection is an STI: vulvovaginal candidiasis or trichomonas vaginalis

Answer 15

Trichomonas vaginalis

Question 16

Which is more likely to be associated with a rise in vaginal pH: bacterial or fungal infection?

Answer 16

Bacteria

Question 17

Compare the Sx of a bacteria vs fungal vaginal infection

Answer 17

Bacterial = smelly discharge, rise in pH, but no redness 
Fungal = white discharge, red, itchy, no pH change, pain on intercourse

Question 18

Bacterial vaginosis Tx?

Answer 18

Metronidazole or clindamycin

Question 19

Vulvovaginal candidiasis Tx?

Answer 19

Nystatin or miconazole or fluconazole (a triazole)

All are fungistatic

Question 20

Tx for chronic / recurrent vulvovaginal candidiasis?

Answer 20

Boric acid - compounded

Question 21

Sx of trichomonas vaginalis?

Answer 21

Discomfort, yellow frothy discharge, increased pH, itchy

Men often have less Sx - just Penile irritation and burning post urination

Question 22

Trichomonas vaginalis increases susceptibility to HIV. Which kind of infection is this?

Answer 22

An STI - a protozoal parasite

Question 23

Which vaginal infection will have normal pH?

Answer 23

Candida

Question 24

Taking the OCP, HRT or other oestrogen compounds can increase susceptibility to which vaginal infection?

Answer 24

Candida