Infections Flashcards
CURB65 score 1
Amoxicillin
Pen allergic: Macrolide (Clari)
CURB65 score 2
Amoxicillin 5-7d + Clari
CURB65 score 3+
Admit
Co-amox + Clarithromycin
TB
RIPE
Rifampicin - orange secretions
Isoniazid - Peripheral neuropathy
Pyrazinamide - Hepatotoxic
Ethambutol - Optic neuritis
Gonorrhoea
IM Ceftriaxone single dose
Chlamydia trachomatis
Doxycycline 7 days
Syphilis
PainLESS genital ulcers (Herpes = painful)
Treponema pallidum
IM Benzathine Penicillin single dose
Jarisch-Herxheimer reaction (within hrs of Abx)
Chancroid
Gram -ve coccobacillus
Mainly Africa - Multiple painful ulcers
Culture on chocolate agar
Trichomonas vaginalis
Yellow/green, frothy discharge
Oral Metronidazole
BV
Fishy smell, thin white/grey discharge
Oral Metronidazole
Candidiasis
Candida albicans (yeast)
Thick “cottage cheese” creamy white discharge
ITCHING
Oral Fluconazole
2nd line = Clotrimazole pessary
Listeria meningitis
IV Amoxicillin + Gent
Encephalitis
Fluctuating consciousness, confusion
Commonly HSV1
IV acyclovir
Meningitis
VIRAL most common: Coxsackie Group B, mumps, HSV2
Bacterial: Cryptococcus
Fungal:
Typhoid
Salmonella typhi
FO transmission
Enteric fever
Fever + Constipation
IV Ceftriaxone then PO Azithromycin
Dengue
Flavivirus spread by Ades aegypti mosquito
SE Asia
“Sun-burnt” blanching rash + Joint pain + Thrombocytopenia
Re-infection -> Dengue haemorrhagic fever
Malaria
Plasmodium species
Female Anopheles mosquito
Falciparum = IV artesunate (severe) Non-falciparum = Choloquine then primaquine
48hr fever except P. malariae (72hrs)
Q Fever
Coxiella burnettii
Cattle/sheep
Dry cough, fever
Can cause TRANSAMINITIS, endocarditis
Tx = Doxycycline
Leptospirosis
Swimming in water with dog/rat urine
Fever + Jaundice + Conjunctival haemorrhage
Tx = High-dose BenPen or Doxy
Plague
Yersinia pestis
Rabies
Encephalitis (hyperactive)
After months/yrs -> Hypersalivation, hydrophobia
NEGRI BODIES
Tx = Rabies IgG
Leishmania
Protozoa
Sandfly bite
Infect macrophages
Athletes foot
Tricophyton rubrum
causes Tinea pedis