Pharm - hepatitis and jaundice Flashcards
(64 cards)
What list of meds can cause drug induced liver injury
acetaminophen
anesthetics
NSAIDs
antimicrobials
antifungals
HIV antiretroviral therapy
oral hypoglycemics
lipid lowering agents
What is R value
ALT/ULN ALT
DIVIDED BY
ALP/ULN ALP
What is hepatocellular R
R >= 5
more severe prognosis
What is mixed R
R = 2-5
More prone to chronic disease
What is cholestatic R
R <= 2
more prone to chronic disease
What predicts prognosis with acetaminophen OD
Rumack-Matthew nomogram
Kings College criteria
What is the initial management for acetaminophen OD
gastric emptying via lavage
activated charcoal within 4 hours ingestion
What is the specific antidote for acetaminophen OD
Mucomyst (N-acetyl-cysteine)
What antimicrobials can cause drug induced hepatitis
beta lactams
beta lactamase inhibitors
What oral hypoglycemic is assoc with cholestatic injury pattern
Glimepiride
What lipid lowering agents may cause drug induced hepatitis
statins
ezetimibe
What differentiates acute viral hepatitis from chronic viral hepatitis?
greater or less than 6 months
A is only acute
Describe hep A
acute, self-limited
person to person via fecal oral route or ingestion of contaminated food or water
assoc with poor sanitation
Hep A clinical presentation
incubation period 28 days
symptoms may or may not be present
What labs indicated hep A
elevated aminotransferases
detection of IgM antibody to HAV
How to manage hep A
no treatment
supportive
avoid hepatotoxic substances
How to prevent hep A
hand washing
Havrix and Vaqta vaccines
combo vax Twinrix (HAV and HBV)
Immunoglobulin dose
When to give Havrix
0, then 6-12 months
When to give VAQTA
0, then 6-18 months
Who is recommended to get Hep A vax
all children older than 1
Increased infection risk
-MSM
-injection & non-injection drugs
-occupational risks
Postexposure prophylaxis for HAV
if vaxxed, nothing
no vax - vaccine or immunoglobulin as soon as possible within 2 weeks
When is immunoglobulin preferred for HAV postexposure prophylaxis rather than vax?
<12 months
Immunocompromised
Chronic liver disease
What is the same between Hep B and Hep C
transmitted by blood
targets liver
acute or chronic
What is different between Hep B and Hep C
DNA vs RNA virus
vaccine with 3 injections vs no vax
treat with NRTIs vs NSSA inhibitor, protease inhibitor, polymerase inhibitor