Why Does My Arm Hurt So Much After Flu Jab?
The flu jab, also known as the influenza vaccine, is a yearly injection that helps protect against the flu virus. While the vaccine is generally safe and effective, some people experience side effects, including soreness at the injection site. This soreness can range from mild discomfort to intense pain that makes it difficult to move the arm.
There are several reasons why the flu jab can cause arm pain. One reason is that the vaccine contains antigens, which are proteins that trigger the immune system to produce antibodies against the flu virus. When the vaccine is injected into the arm, these antigens can cause inflammation and swelling, which can lead to pain.
Another reason for arm pain after the flu jab is the use of adjuvants. Adjuvants are ingredients that are added to vaccines to help boost the immune response. Some adjuvants, such as aluminum salts, can cause inflammation and pain at the injection site.
The severity of arm pain after the flu jab can vary depending on the individual. Some people experience only mild discomfort, while others may experience intense pain that lasts for several days. The pain is typically worst within the first 24-48 hours after the injection and gradually improves over time.
There are a few things that can be done to reduce arm pain after the flu jab. First, it is important to keep the injection site clean and dry. Applying a cold compress to the injection site can also help to reduce inflammation and pain. If the pain is severe, over-the-counter pain relievers, such as ibuprofen or acetaminophen, can be taken.
In most cases, arm pain after the flu jab is a temporary side effect that will resolve on its own within a few days. However, if the pain is severe or does not improve after a few days, it is important to see a doctor to rule out any other underlying medical conditions.
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