A nurse is preparing to administer prescribed medication to a client exposed to hepatitis A. Which information should the nurse provide to this client?
1. I am giving you HAV vaccine.
2. You will likely need another injection, or booster, in 6 months.
3. I am giving you hepatitis A immunoglobulin (HAIg).
4. This injection will keep you from contracting hepatitis A.
5. You will not need to worry about contracting hepatitis A for the next 5 to 8 years.
Correct Answer: 3
Rationale 1: The vaccine is given to prevent hepatitis A, but is not the likely medication given when exposure is documented.
Rationale 2: Boosters are given for immunizations, not treatments after exposure is documented.
Rationale 3: Postexposure treatment includes administration of hepatitis A immunoglobulin.
Rationale 4: Immunoglobulins are only about 85% effective at preventing HAV.
Rationale 5: The vaccine has a 5–8 years window of effectiveness, but that is not likely what this client is receiving.
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