Adverse reactions after COVID-19 vaccination

Table of Contents

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.
- Injection site pain, swelling, redness
- Fever, nausea, muscle pain
- fatigue
- headache
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 39°C 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 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.

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

(Get the next post. It's Free!)