Adverse reactions after COVID-19 vaccination

Thursday, November 18, 2021

What are the possible adverse reactions after being vaccinated against COVID-19?

  • Following COVID-19 vaccination, the following symptoms are common and usually resolve on their own within 2 to 3 days.
  • In general, the most common local adverse reactions after COVID-19 vaccination include pain, swelling, and redness at the injection site, and systemic reactions may include fever, fatigue, headache, muscle pain, nausea and vomiting.
  • It is a common reaction after vaccination, and most symptoms disappear within 3 days without any special measures. This can occur during normal immune formation.
  • However, if symptoms such as a high fever of 39ยฐC or higher, allergic reactions (hives, rash, swelling of the face or hands) appear, or if the symptoms of a common COVID-19 adverse reaction interfere with daily life, see a doctor .

If an adverse reaction occurs after COVID-19 vaccination, what can be done to relieve symptoms?

  • If there is swelling or pain at the injection site after vaccination, place a clean, dry towel and apply a cold compress on it.
  • If you have a low fever after vaccination, drink plenty of water and rest.
  • If you feel uncomfortable due to fever or muscle pain after vaccination, you can take an acetaminophen pain reliever.
  • However, if symptoms worsen, you should see a doctor.

What symptoms should I see a doctor if I have after being vaccinated against COVID-19?

  • When swelling, pain, or redness at the injection site do not improve even after 48 hours after vaccination
  • When symptoms such as shortness of breath, chest pain, persistent abdominal pain, and leg swelling appear within 4 weeks after vaccination
  • When severe and persistent headaches occur for more than 2 days after vaccination
  • When you suddenly feel weak or have unusual symptoms after vaccination
  • When there is bruising or bleeding in a place other than the injection site after vaccination
  • When pain does not respond to analgesics or is not controlled
  • When blurred vision after vaccination

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