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What are the Different Hepatitis C Vaccine Side Effects?

Hepatitis C vaccines, while in development, aim to prevent a serious liver infection. Potential side effects could range from mild reactions, like soreness at the injection site, to more significant symptoms such as fever or fatigue. It's crucial to monitor your health post-vaccination. Curious about how these side effects compare to other vaccines? Let's delve deeper into the science behind it.
Erin J. Hill
Erin J. Hill

As of 2010, there were two types of hepatitis vaccines being tested and used on human subjects. Each one works very differently, as the first is not a vaccine in the traditional sense of the word. Rather than preventing a subject from contracting the virus, it helps the body fight an existing infection by boosting immune response. Of those given either vaccine, the only hepatitis C vaccine side effects reported tend to be pain and tenderness at the injection site. This does not mean that more side effects will not eventually be discovered, as the vaccine has only been given to a limited number of people.

Hepatitis C virus (HCV) causes the liver to become inflamed and stop working properly. It is the most deadly of all forms of hepatitis, because until recently there was no vaccine prevention method available. Two types of HCV vaccines have been developed and used in a limited number of people. The hope is to eventually make their use widespread.

A serious reaction to the hepatitis B vaccine may include developing hives.
A serious reaction to the hepatitis B vaccine may include developing hives.

The first type of vaccine is given after the virus has already taken hold. Patients are injected with a substance that helps boost the immune system’s response to the virus and helps enhance liver function by clearing the virus out of the liver faster. The second is much like any other vaccine in that it uses a dead or inactive version of the virus to illicit an immune response. Once the immune system creates antibodies against the inactive virus, the body is then able to fight off the real thing if it comes in contact with it.

Soreness at the injection site may be a side effect of the hepatitis C vaccine.
Soreness at the injection site may be a side effect of the hepatitis C vaccine.

Hepatitis C vaccine side effects have included pain and tenderness at the injection site. These are usually mild and last a day or less. Redness may also occur in some people. Since the side effects of the hepatitis C vaccine have not been widely studied, it is safe to assume that additional symptoms will appear as more people are given the vaccines. Common side effects which appear with the majority of vaccines, including the Hepatitis B and Hepatitis A vaccines, include pain and swelling, slight fever, nausea, fatigue, headache, dizziness, and sometimes vomiting. These are usually mild, and the most severe of them only occur in a small number of people.

Headache and fatigue are common side effects of the Hepatitis C vaccine.
Headache and fatigue are common side effects of the Hepatitis C vaccine.

Other possible hepatitis C vaccine side effects include allergic reactions, although none have been reported as of 2010. These can range from mild to severe and may cause symptoms like shortness of breath, skin irritation or hives, dizziness, dry mouth, and shock. If any of these things occur and are severe, medical attention should be sought immediately. These are signs of anaphylactic shock and can be fatal if not treated promptly.

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Discussion Comments

anon279203

My father had side effects of from the hcv vaccine. His immune system became weak and on his legs his veins swelled under his knees.

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    • A serious reaction to the hepatitis B vaccine may include developing hives.
      By: Jürgen Fälchle
      A serious reaction to the hepatitis B vaccine may include developing hives.
    • Soreness at the injection site may be a side effect of the hepatitis C vaccine.
      By: カシス
      Soreness at the injection site may be a side effect of the hepatitis C vaccine.
    • Headache and fatigue are common side effects of the Hepatitis C vaccine.
      By: naka
      Headache and fatigue are common side effects of the Hepatitis C vaccine.
    • Reactions to the hepatitis C vaccine may include lethargy and dizziness.
      By: Alliance
      Reactions to the hepatitis C vaccine may include lethargy and dizziness.
    • Most medical doctors believe that the benefits of common vaccines, such as the hepatitis c vaccine, outweigh potential risks.
      By: Filip Ristevski
      Most medical doctors believe that the benefits of common vaccines, such as the hepatitis c vaccine, outweigh potential risks.
    • Two types of hepatitis C vaccines have been developed and used in a limited number of people.
      By: Ocskay Bence
      Two types of hepatitis C vaccines have been developed and used in a limited number of people.