Infectious Disease Flashcards
Antibiotics for campylocbacter
Clarithromycin
List the live attenuated vaccines
Yellow fever
Polio
Intranasal influenza
Varicella
MMR
BCG
Most common cause of travellers diarrhoea
E Coli
What is a chancroid?
Disease causes by haemophilus ducreyi. Causes painful genital ulcers associated with unilateral, painful inguinal node enlargement. Ulcer tends to be deep with a ragged border
Treatment of chlamydia in pregnancy
Azithromycin
Treatment of chlamydia (not pregnant)
Doxycycline
What is the longest after the exposure event that HIV PEP can be started
72 hours
Management of toxoplasmosis in immunosupressed patients
Pyrimethamine + sulphadiazine for at least 6 weeks
What does an aspergilloma look like on a CXR?
A rounded opacity
Crescent sign may be present
Antibiotics for campylobacter
Clarithromycin
Antibiotic that causes orange tears and urine
Rifampicin
Main side effect of ethambutol
Optic neuritis
Side effects of isoniazid
Hepatitis, peripherall neuropathy and agranulocytosis
Side effects of pyrazinamide
Myalgia arthralgia, hepatitis and hyperuricaemia
Treatment fo syphillis
IM benzathine penicillin
Treatment for latent TB
3 months of isoniazid ( + Pyridoxine) and rifampicin OR
6 months isoniazid with pyridoxine
What medication is given with isoniazid and why
Pyridoxine (vitamin B6) to prevent peripheral neuropathy
What are the 3 stages of lyphgranuloma venereum
- Small painless pustule which later forms and ulcer
- Painful inguinal lymphadenopathy
- Proctocolitis
Treatment of bacterial vaginosis in patients who are allergic to metronidazole
Clindamycin
What is the decolonisation regime for MRSA
Nasal mupirocin + chlorhexidine for skin
How many doses of tetanus give you lifelong protection
5
Treatment of legionella
Erythromycin/clarithromycin
Needlestick from a patient with hepatitis B
Booster dose of vaccine (if responder)
Hep B immunoglobulin if non responder
Needlestick for a patient with hepatitis C
Monthly PCR - if seroconversion then interferon + Ribavarin
How long is post exposure prophylaxis for HIV taken
4 weeks
What is the standard test for HIV?
Combination of p24 antigen and HIV antibody test
When does the p24 antigen become positive
Becomes positive from about 1 week to 3/4 weeks after infection
First line for malaira prophylaxis
Atovaquone - proquanil (Malarone)
First line treatment for uncomplicated falciparum malaria
artemesinin combination therapy
First line treatment for severe falciaparum malaria
IV artesunate
Organism that causes malignant ottitis externa
Pseudomonas
What is the aim CD4 count on anti retroviral medication
Over 350