sexual health and contraception Flashcards
cause bacterial vaginosis
normal vaginal flora is disturbed, leading to a reduction in the numbers oflactobacillibacteria in the vagina, allowing growth of other microorganisms e.g. Gardnerella vaginalis,anaerobes and mycoplasmas. NOT AN STI
features BV
Offensive fishy smelling vaginal discharge, Not usually associated with soreness, itching or irritation, Thin, white/grey, homogenous vaginal discharge
mx BV
Metronidazole. This can be taken orally (400mg twice daily for 5-7 days, or a single dose of 2g) or as a gel applied directly to the vagina
cause of thrush
Candida albicans. This particular yeast-like fungus. NOT AN STI
featurs thrush
Itch, diacharge - white, curd-like and non-offensive, dysuria
mx thrush
intravaginal antifungal - clotrimazole or fenticonazole, Oral antifungal -fluconazole
cause trichomoniasis
protozoan - Trichomonas vaginalis
presentation trichomoniasis
F: Offensive vaginal odour, Abnormal vaginal discharge – thick/thin/frothy and yellow-green, Itchiness or soreness of the vulva, Dyspareunia, Dysuria, strawberry cervix
M: Urethral discharge, Dysuria,Urinary frequency,pain or itching around the foreskin
mx trichomoniasis
Metronidazole 2g orally in a single dose or
Metronidazole 400-500mg twice daily for 5-7 day
cause chlamydia
Bacterium:Chlamydia trachomatis - obligate intracellular gram negative bacterium
presentation chlamydia
F: dysuria, yellow/green vaginal discharge, Intermenstrual or postcoital bleeding, Deep dyspareunia, Lower abdominal pain
M: Urethritis (Dysuria, Urethral discharge),
Epididymo-orchitis (Testicular pain)
mx chlamydia
Doxycycline100mg twice daily for 7 days or
Azithromycin1g single dose
If CI: Erythromycin500mg twice daily for 10- 14days
cause gonorrhoea
Neisseria gonorrhoeae - Gram-negative diplococcus
presentation gonorrhoea
F: Altered/increased vaginal discharge (commonly thin, watery, green or yellow), Dysuria, Dyspareunia
Lower abdominal pain
M: Mucopurulent/purulent urethral discharge, Dysuria
mx gonorrhoea
intramuscularceftriaxone 1g
cause HIV
HIV is asingle strandedRNA retrovirus that infects and replicates with CD4 cells
presentation HIV
- Seroconversion Illness (flu – like)
- Symptomatic HIV (Weight loss, High temperatures, Diarrhoea, Frequent minor opportunistic infections, e.g. herpes zoster or candidiasis)
- AIDS defining illnesses (pnuemocystis jiroveci pneumonia, non-Hodgkin’slymphoma, and TB)
mx HIV
Highly active antiretroviral therapy(HAART) – combination of drugs
cause pubic lice
Phthirus pubis
presentation pubic lice
Intense itching
mx pubic lice
Insecticide (permethrin or malathion), wash clothes and bedding
reducing the risk of HIV transmission in pregnancy to baby
Antenatal antiretroviral therapyduring pregnancy and delivery
Avoidance of breastfeeding
Neonatal post-exposure prophylaxis
if followed and undetectable viral load CS not needed
cause of genital warts
HPV 6 and 11
presentation genital warts
warts affecting the penis, scrotum, vulva, inside the vagina, cervix, perianal skin or inside the anus. Usually painless, fleshy growths, soft or hard and can be singular or multiple. Occasionally warts may cause irritation or become inflamed
mx genital warts
Topical: Podophyllotoxin (small warts), Imiquimod (larger, partly keratinised)
Physical ablation: excision, cryotherapy
cause genital herpes
HSV 1 and 2
presentation genital herpes
Primary infection: Small red blistersaround the genitals that are very painful and can form open sores, Vaginal or peniledischarge, Flu-like symptoms, Itchy genitals
Secondary/recurrent: burninganditchingaround the genitals, Painful red blistersaround the genitals
mx genitala herpes
Primary infection =acyclovir
Secondary= painkillers,petroleum jellyandice packs, episodic acyclovir (when sx start)