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HIV: Preventing Infections - Topic Overview

Medicines and vaccines are used to prevent infections and certain diseases (opportunistic infections) that are more common in people with HIV.

  • Primary prevention means preventing illness before it occurs. Immunizations (vaccines) are one kind of primary prevention. Medicines that kill or control the organisms that cause infections are another type of primary prevention.
  • Secondary prevention means preventing a disease that a person has already had from coming back. This is usually done with medicines that slow or prevent the growth of the organisms that cause infections.

Generally, infection with HIV doesn't make people sick, except for the flu-like illness that may develop shortly after they become infected. Most people who are infected with HIV get sick because their immune systems become weak and cannot fight off other infections. So preventing opportunistic infections is an important part of treatment for HIV.

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If you have been diagnosed with HIV infection, make sure that you and your partner are up to date on the following immunizations:

  • Flu (influenza) inactivated vaccine, given yearly. You should not get the nasal vaccine, since it is a live vaccine.
  • Hepatitis A vaccine, given in a series of 2 shots.
  • Hepatitis B vaccine, given in a series of 3 shots.
  • Combination hepatitis A and hepatitis B vaccine, given in a series of 3 shots.
  • Pneumococcal vaccines: PCV and PPSV.
  • Polio (IPV) (inactivated) vaccine. You should not get the live vaccine.
  • Tetanus and diphtheria (Td) and Tetanus, diphtheria, and pertussis (Tdap) vaccines.

Also check if you need the measles, mumps, and rubella (MMR) vaccine.

Work with your doctors to decide which medicines to use, based on:

  • The type of infection that is present or likely to develop.
  • Which other medicines you are already taking and the possibility that one medicine might make another less effective (negative interaction).
  • The side effects of the medicines.

WebMD Medical Reference from Healthwise

Last Updated: August 14, 2013
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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