Sexually Transmitted Infections Flashcards
What can cause genital ulcers?
Herpes and syphilis - STD
Candida
What can cause vaginal discharge?
Chlamydia, M genitalium, gonorrhoea, trichomoniasis and herpes
BV and candida
What can cause urethral discharge?
Chlamydia, m genitalium, gonorrhoea and trichomoniasis
H. influenza and adenovirus
What can cause genital lumps?
Warts, molluscum and scabies
Folliculitis and calcinosis
What can cause genital itching?
Scabies, lice, herpes and trichomoniasis
Candida and eczema
What can cause a genital rash?
Scabies and syphilis
What is gonorrhoea caused by?
Neisseria gonorrhoeae
What symptoms does gonorrhoea cause in men?
10% have no symptoms
Thick, profuse yellow discharge and dysuria
Rectal and pharyngeal infection are often asymptomatic
What are the symptoms of gonorrhoea in women?
More than 50% have no symptoms
Vaginal discharge, dysuria and intermenstrual bleeding
What are the complications of gonorrhoea?
Men - epididymitis
Women - Pelvic inflammatory disease and Bartholin’s abscess
Both - rectal symptoms and conjunctivitis
Acute monoarthritic of elbow or shoulder and disseminated gonococcal infection
What is the incubation period of gonorrhoea?
Average is 5 to 6 days but ranges from 2 days t 2 weeks
How is gonorrhoea diagnosed?
Nucleic acid amplification test (NAAT) on urine or swab
Microscopy of gram stained sample
Culture using highly selective lysed blood agar
What is the treatment for gonorrhoea?
Blind treatment with ceftriaxone 1mg IM
Also can treat according to antibiotic sensitivities
When is the follow up to test for cure in gonorrhoea?
3 weeks
What is chlamydia caused by?
Chlamydia trachomatis serovars D to K
What are the symptoms for men in chlamydia/
More than 70& asymptomatic
Slight watery discharge and dysuria
Rectal symptoms and conjunctivitis
What are the symptoms for women with chlamydia?
More than 80% asymptomatic
Vaginal discharge, dysuria and intermenstrual bleeding
Rectal symptoms and conjunctivitis
What are the complications of chlamydia?
Men - epididymitis
Women - PID and ectopic pregnancy, pelvic pain and infertility
Both - reactive arthritis/ Reiter’s syndrome
How is chlamydia diagnosed?
First void urine in men
Swab from cervix, urethra and rectum as appropriate
What is the treatment for chlamydia?
Doxycycline 1 week
Azithromycin 1g once if pregnant