Sexual Health Flashcards
what is the treatment for chlamydia?
Doxycycline BD 100mg for & days (not safe in pregnancy)
or
Azithromycin 1g STAT dose
(safe in pregnancy)
what proportion of patients are asymptomatic for chalmydia?
Women = 75% Men = 50%
in Bacterial vaginosis what will the pH of the vaginal discharge be?
pH>4.5
what proportion of men are asymptomatic for gonorrhoeaa?
5-10%
what does gonorrhoea look like under a microscope?
Gram negative diplococci
what is the treatment of gonorrhoea?
STAT: Ceftriaxone 500mg IM single dose + Azithromycin 1g PO
when is the highest risk for HIV transmission in pregnancy?
At delivery
*unless mother seroconverts during pregnancy
Seroconversion: where you become HIV +ve and develop antibodies.
what is reiter’s syndrome/reactive arthritis?
Can occur in <1% of chlamydia cases - sterile inflammation of synovial membranes, tendons, fascia triggered at a distant site
Triad of redness, joint swelling and pain
what are the pregnancy/neonatal complications of chlamydia?
IUGR
PROM
Pre-term delivery
Low birth weight
what are the pregnancy/neonatal complications of gonorrhoea?
Low birth weight
Pre-term delivery
what is a LARC?
long acting reversible contraception
what criteria are used to determine suitability of contraception?
UK MEC (medical eligibility criteria)
1: No restriction
2: Advantages outweigh risks
3: Risks outweigh advantages
4: Unacceptable health risk
what oestrogen is used in Combined oral contraceptive pill?
ethinyl oestradiol
what are the absolute contra-indications to Combined oral contraceptive pill?
Breastfeeding <6wks Postpartum (severe) Smoking >15cigs/d & >35y Multiple risk factors for Arterial CVD BP >160/100 Current or past VTE Major Surgery with Immobilisation IHD CVA Valvular Heart Disease Focal Migraine Breast Ca Complicated DM Severe liver cirrhosis Liver tumours
what is the time window for taking the progesterone only pill?
12 hours (older generation = 3 hours)
which classes of drugs interact with the COC?
Antibiotics - rifampicin, rifabutin Antidepressants - St Johns Wort Antiepileptics - carbamazepine, phenytoin etc Antifungals - Griseofluvin, imidazoles Anti-retrovirals