COVID arm rash is a delayed hypersensitivity reaction that occurs approximately five days after theCOVID-19 vaccine.
It is characterized by redness, itching, and swelling around the injection site.
The symptoms of COVID arm rash include:
The rash may be small, just covering the injection site.
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However, it can also be quite large, extending over most of the arm.
Reports of rash size have varied from study to study.
What Causes a Lump After Vaccination?
After a COVID-19 vaccination, there may be a small bump where the needle was inserted into the skin.
This is a common reaction after vaccinations brought on by animmune responseto the vaccine or the needle.
The lump can be a good sign that the body is makingantibodiesagainst the virus.
Less common is a nodule that develops at the injection site.
They are firm and about the size of a pea.
There is no redness or pain, and they generally go away without treatment.
What Causes COVID Arm Rash?
COVID arm happens because of a hyperactive immune response to the vaccine.
Can COVID Arm Rash Happen After a Booster Shot?
COVID arm rash can happen after a booster shot.
Eleven of those people also had reactions to thesecond dose.
Most people developed a reaction sooner after their second dose than they did with the first dose.
The duration of the reaction to the second dose was similar to the duration with the first vaccine dose.
How Long Does COVID Arm Rash Last?
COVID arm rash typically begins seven days after the vaccination and lasts about five days.
However, it can last up to 21 days.
How Do You Treat COVID Arm?
COVID arm rash typically resolves with minimal treatment.
When to Contact a Healthcare Provider
COVID arm rash is a localized reaction to the COVID-19 vaccine.
If a reaction worsens or causes additional symptoms, it is time tocontact a healthcare provider.
If you or someone you know is experiencing a severe allergic reaction,call 911right away.
COVID arm rash typically develops about one week after the injection and resolves after about five days.
Treatment aims to relieve symptoms by using cold compresses and taking antihistamines and pain relievers.
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