hepatitis drugs Flashcards

1
Q

What is the most common liver disorder?

A

Viral hepatitis

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2
Q

How many viruses can cause acute hepatitis?

A

Six: A, B, C, D, E, G

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3
Q

What are the main characteristics of acute hepatitis?

A

Liver inflammation, jaundice, increased ALT

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4
Q

Which hepatitis viruses can cause chronic hepatitis?

A

B, C, D

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5
Q

What are the complications of chronic hepatitis?

A

Cirrhosis, hepatocellular carcinoma, liver failure

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6
Q

How is Hepatitis A transmitted?

A

Fecal-oral route

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7
Q

What are the risk factors for Hepatitis A?

A

Low SES areas, poor sanitation, poor hygiene, international travel

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8
Q

What are the symptoms of Hepatitis A?

A

Fever, malaise, nausea, vomiting, diarrhea, jaundice, anorexia, stomach pain

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9
Q

How effective is the Hepatitis A vaccine?

A

94-100% effective within 1 month

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10
Q

What are the side effects of the Hepatitis A vaccine?

A

Injection site soreness, headache, anorexia, malaise

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11
Q

How is Hepatitis C transmitted?

A

Blood, sexual contact, mother-to-child

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12
Q

What percentage of Hepatitis C infections become chronic?

A

75-85%

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13
Q

Can asymptomatic individuals transmit Hepatitis C?

A

Yes

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14
Q

What are the symptoms of Hepatitis C?

A

Jaundice, nausea, vomiting, abdominal pain, myalgia, arthralgia

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15
Q

How many genotypes and subtypes does Hepatitis C have?

A

6 genotypes, over 50 subtypes

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16
Q

What is the goal of Hepatitis C treatment?

A

Cure: No detectable HCV RNA

17
Q

What were the old treatments for Hepatitis C?

A

Interferon alfa + ribavirin

18
Q

What are the pretreatment labs for Hepatitis C?

A

HCV RNA, CBC, LFTs, eGFR, INR, Hep B surface antigen, HIV, serum Hcg

19
Q

What should be monitored during Hepatitis C treatment?

A

Hypoglycemia, INR

20
Q

What should be checked post-treatment for Hepatitis C?

A

HCV RNA, LFTs

21
Q

What are the adverse effects of Hepatitis C drugs?

A

Nausea, headache, fatigue, weakness, diarrhea, pruritus, insomnia, ALT elevation

22
Q

What are nursing considerations for Hepatitis C drugs?

A

Drug interactions (CYP450), give with food, not for pregnancy, caution in older adults

23
Q

Why is Interferon Alfa-2A no longer recommended?

A

Not a cure, high adverse effects

24
Q

How is Interferon Alfa-2A administered?

A

Parenteral (mostly subQ)

25
What are the adverse effects of Interferon Alfa-2A?
Flu-like syndrome, neuropsychiatric effects (depression), fatigue, thyroid dysfunction, heart damage, bone marrow suppression, GI effects, injection site reactions, exacerbation of autoimmune diseases
26
How is Hepatitis B transmitted?
Blood and semen
27
What percentage of Hepatitis B-exposed individuals develop acute Hepatitis B?
45-60%
28
What are the symptoms of acute Hepatitis B?
Most are asymptomatic
29
How is the Hepatitis B vaccine given?
3 doses (0, 1, 6 months)
30
What are the side effects of the Hepatitis B vaccine?
Injection site soreness, mild/moderate fever
31
What is the treatment for acute Hepatitis B?
Supportive care
32
What is monitored in chronic Hepatitis B?
ALT, HBV DNA, liver disease severity
33
What is the goal of Hepatitis B treatment?
HBsAg-negative + anti-HBs
34
How is Hepatitis B treated in coinfection with HIV or Hepatitis C?
HIV: ART covers both, Hep C: Treat both concurrently
35
What are the adverse effects of Lamivudine?
Well-tolerated
36
What are the adverse effects of Entecavir?
Dizziness, headache, fatigue, nausea, possible lactic acidosis, hepatomegaly
37
What are the adverse effects of Tenofovir?
Weakness, headache, GI symptoms (nausea, vomiting, flatulence), possible lactic acidosis, hepatomegaly
38
What should be monitored in patients on Hepatitis B medications?
LFTs, CBC, renal function, HBV DNA, HBsAg, Anti-HBs, HBeAg
39
What are the nursing considerations for Hepatitis B medications?
Drug interactions (CYP450), give with food, safe for pregnancy/lactation, caution in older adults due to renal & hepatic function