What happens to the notifications about side effects? In addition, the vaccine manufacturers are required to conduct new systematic safety studies.
There is also extensive international collaboration with the other countries that use the same vaccines. Some side effects are only discovered when vaccines are in wider use and have been given to many more people and to more varied groups than in the studies.Īfter the vaccines are in use, the Norwegian Medicines Agency, together with the NIPH, will monitor closely whether any unexpected side effects arise. Even if the new vaccines are tested thoroughly, rare side effects cannot be ruled out. When vaccines are developed, the goal is always for vaccines to give the best possible effect with the fewest possible side effects. You can also send a message via the form via helsenorge.no. Healthcare professionals have a duty to report serious or unknown reactions that they suspect are due to a vaccine.
#MODERNA VACCINE DIARRHEA SIDE EFFECT PROFESSIONAL#
If you experience unexpected, severe or prolonged symptoms after vaccination, you should contact your doctor or other healthcare professional for assessment and advice. Vaccine side effects can sometimes be difficult to distinguish from symptoms of infections or other diseases. When large parts of the population are vaccinated, many will experience common diseases and complaints in the period after vaccination. Symptoms that occur in the period after vaccination are not always due to the vaccine.
Read more about how side effect signals are followed up in the text box below. The initial results from these studies in young women showed that more reported heavier menstrual bleeding after being vaccinated with the COVID-19 vaccine, and heavy menstrual bleeding has been subsequently listed as a possible side effect in the product information for the mRNA vaccines. The NIPH uses population studies to gain answers as to whether there may be a connection between the coronavirus vaccines and these symptoms. Norwegian cardiologists consider that COVID-19 disease can cause more serious heart effects in some people than after the vaccine, and that this rare side effect should not prevent adolescents from being offered the vaccine.Ĭases of menstrual disorders have been reported following coronavirus vaccination. In case of such symptoms, consult a doctor for a medical examination. The condition causes chest pain, wheezing, palpitations and fever. When offering coronavirus vaccines to people under 30 years, the Norwegian Institute of Public Health (NIPH) recommends the use of Comirnaty for both men and women.Īmong those who experience myocarditis and pericarditis recover within one month. It also seems to occur more often with the use of Spikevax (Moderna) than with Comirnaty (BioNTech/Pfizer).
The condition most often occurs among adolescents and young adults.
There is good knowledge about common side effects after vaccination, but rare side effects cannot be ruled out.Īmong the rarer side effects reported from mRNA vaccines and Nuvaxovid are inflammation of the heart muscle (myocarditis) and inflammation of the pericardium (pericarditis). Common side effects are pain and swelling at the injection site, fatigue, headache, muscle aches, chills, joint pain and fever. The side effects after all three coronavirus vaccines usually occur during the first 1-2 days after vaccination. Nuvaxovid generally has slightly milder side effects with a shorter duration than the mRNA vaccines. The mRNA vaccines appear to cause more of the common side effects than other vaccines. For some, the symptoms may be more severe. The coronavirus vaccines may cause side effects in many of those vaccinated, but they are mostly mild / moderate and pass after a few days.
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