12/10/2023 0 Comments Symptoms after faintingHowever, the Vaccine Adverse Event Reporting System (VAERS), receives many reports of syncope each year, and many more are likely to go unreported. Because fainting usually has no lasting effects, it is hard to study using medical records-based systems. However, there is not yet a definite answer about whether an ingredient of the vaccines is responsible for the fainting or if adolescents are simply more likely than children or adults to experience fainting.Ībout 3% of men and 3.5% of women report fainting at least once during their lifetimes, but it is not known just how often fainting happens after vaccination. Because the ingredients of these three vaccines are different, yet fainting is seen with all of them, scientists think that fainting is due to the vaccination process and not to the vaccines themselves. Fainting after getting a vaccine is most commonly reported after three vaccines given to adolescents: HPV, MCV4, and Tdap. In fact, CDC has received reports of people fainting after nearly all vaccines. Fainting can happen after many types of vaccinations.įainting can be triggered by many types of medical procedures. Sometimes when people faint, their muscles twitch and their bodies make jerking movements this can sometimes be confused with seizures but are not actual seizures. People who faint might fall and injure themselves if they are not sitting or lying down at the time that they lose consciousness. Sometimes people faint after vaccination. Although fainting has a variety of possible causes, it is usually triggered by pain or anxiety. Fainting, also called syncope, is a temporary loss of consciousness caused by a decreased blood flow to the brain.
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