Most influenza vaccines contain viruses that are grown in hens’ eggs. In case of the flu shot, these viruses are inactivated or recombinant. The only vaccines that consists of live and weakened viruses are the ones that are available in the form of nasal sprays. Nonetheless, since this write-up is about the possible side effects associated with flu shots (injections), we shall be focusing on that aspect only.
Common Allergic Symptoms after Getting the Flu Shot
Like any medication, even this involves certain risks. Centers for Disease Control and Prevention states that the chances of having severe allergic reaction to any vaccine is less than 1 in a million doses. And that the symptoms for the same would be visible within a few minutes to a few hours after the vaccination has been taken. Normally, most people experience mild reactions at the site where the vaccine is injected. However, this is quite normal and the symptoms fade away within a day or two. Listed below are some commonly observed symptoms of flu-shot allergy.
The occurrence of these symptoms is normal and they may be evident for a day or two. After that, they are likely to disappear on their own.