The research group of Tsubasa Takizawa, Assistant Professor Koji Sekiguchi, and Professor Hitoshi Nakahara of the Department of Internal Medicine (Neuro), Keio University Hospital, found the characteristics and frequency of headaches after COVID-19 vaccination by nursing staff at Keio University Hospital. Investigate.It was clarified that headaches are likely to occur as a side reaction after COVID-19 vaccination if people usually have headaches.
Currently, vaccination with COVID-19 is in progress, but headache has been reported as one of the side reactions.This time, we classified the nursing staff of Keio University Hospital into healthy people, those with migraine *, and those with other headaches, and investigated the frequency and characteristics of headaches that occur after vaccination with the vaccine (manufactured by Pfizer) used. bottom.
The analysis was performed on 2 individuals who agreed to participate in the study, were vaccinated twice and received valid responses.The subjects were 171% female and the median age was 94 years.
According to the survey, it was found that migraine headaches and chronic headaches other than migraine headaches are more likely to occur after vaccination than healthy subjects (37.9% of healthy subjects, 69.2% of migraine headaches). , Headaches other than migraine 71.4%).It was also found that headaches were more likely to occur with the second vaccination than with the first vaccination (2st 1%, 1nd 20.5%).Overall, the median time to onset of headache after vaccination was 2 hours after the first dose, 45.6 hours after the second dose, and the median duration of headache was 1 hours for the first dose and 10 hours for the second dose. It was 2 hours.
Most of the subjects this time were young women, so it cannot be directly applied to the general population.However, people who usually have headaches may be more likely to have headaches after vaccination than those who do not, so caution is required when vaccination.
* Migraine headaches are common among women in their 20s and 40s, and are generally considered to be unilateral or pulsatile (pulsing) headaches, but they may not be.In about 3% of patients, visual field symptoms such as scintillating scotch precede headache.It may be sensitive to light and may be accompanied by nausea.It is said to be a headache that often interferes with daily life.
Paper information:[Cephalalgia] Incidence of headache after COVID-19 vaccination in patients with history of headache: A cross-sectional study
