Micro / Infections Flashcards
What is the first line antibiotic choice for perichondritis (infection of the ear cartilage e.g 2ndary to a high ear piercing)?
Main causative organism is pseudomonas aeruginosa
- 1st line = Ciprofloxacin
If subperiosteal abscess forms then risk of poor healing and subsequent deformity / cauliflower ear.
What is the first line treatment for scabies infection?
5% permethrin
(less irritant and more effective than other scabicides)
Also safe in pregnancy!
Head-to-toe application (avoiding face/scalp if unaffected) left on for 8-24 hrs then washed off and repeated in 7 days.
Need 30g tube for each treatment (so Rx x2)
What antibiotics are used for prophylaxis to prevent pneumocystitis pneumonia in HIV patients once their CD4 count drops below 200?
Co-Trimoxazole
What antibiotics are used for prophylaxis to prevent opportunistic mycobacterium avium infection in HIV patients once their CD4 count drops below 50?
Azithromycin
