How long will an arm be red and swollen after the COVID-19 vaccine?

It usually subsides within three to four days, although one report in JAMA Dermatology notes it can last up to 21 days after injection with the Moderna vaccine.
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What should I do if I have swelling after receiving the COVID-19 vaccine?


Tell your doctor right away if you have a rash, itching, a fast heartbeat, trouble breathing, trouble swallowing, or any swelling of your hands, face, or mouth after receiving the vaccine.

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How long does arm pain usually last after getting a COVID-19 vaccination?

For most people, arm pain usually lasts for a day or two. While this pain can be frustrating, its a sign that the vaccine is working and doing what its job - protecting you from serious illness.
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How can I make my arm less sore after a COVID-19 vaccine?


Take over-the-counter pain relievers if needed after the shot, such as ibuprofen, acetaminophen or aspirin (but only consider this after you get the vaccine, not before). Apply a clean, cool compress or ice pack to help reduce swelling and redness at the injection site.

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Is it normal to get a rash after receiving the COVID-19 vaccine?

Skin problems such as itchiness, rashes, hives and swelling can occur in some individuals after receiving a COVID-19 vaccine, but it's not clear how common these reactions are or how frequently they recur with a subsequent vaccination.
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13 Types of People Getting Vaccinated



Are rashes a symptom of the coronavirus disease?

Dr. Choi says it’s actually quite common for people to get rashes when they’re battling this type of infection, especially viral respiratory ones.

“It’s not uncommon for someone to have a viral infection and have a rash or blotchy areas on their body. This can happen with other viral respiratory infections like measles. And sometimes, antibiotics might cause skin rashes,” says Dr. Choi. But at this time, there is no specific rash pattern that’s associated with COVID-19.

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How do you know if you are allergic to the COVID-19 vaccine?

An immediate allergic reaction happens within 4 hours after getting vaccinated and could include symptoms such as hives, swelling, and wheezing (respiratory distress).
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Why does the COVID-19 vaccine cause arm pain?

Your body recognizes the protein as an antigen — something foreign — and starts reacting to it with inflammation at the injection site. This is why the first shot very commonly causes arm pain.
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Is it normal that I feel worse after second COVID-19 shot?


This is normal and expected, but it doesn't happen to everyone. Even if you feel worse after the second shot, the side effects should still resolve within a few days.

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Is it normal for the second Pfizer COVID-19 vaccine to cause arm pain?


As with all two-dose vaccines, those getting either Pfizer's or Moderna's COVID-19 vaccination are more likely to experience arm pain after the second dose. This side effect is also more common if you are under 65 years old.

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When will my COVID-19 vaccine side effects go away?

Side effects can affect your ability to do daily activities, but they should go away in a few days.
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Why does my arm hurt after the first Pfizer shot?


Arm pain is a common side effect of vaccinations and is caused by your immune system responding to the vaccine you received. Taking over-the-counter pain relievers like acetaminophen (Tylenol) and ibuprofen (Advil, Motrin) after your vaccination can help reduce the pain you experience.

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Is it normal for the COVID-19 vaccine to cause shoulder pain?


Shoulder pain has been reported as a common side-effect after COVID-19 vaccination particularly after administration of mRNA vaccines. Although it is usually mild and self-limiting, occasionally it can become more extensive causing severe pain and marked limited range of motion.

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Is it normal for your arm to swell after a COVID-19 booster vaccine?


The hypersensitivity can cause redness, swelling, warmth, hardness, itchiness and discomfort around the site of injection. The affected area sometimes grows relatively large and can look like a welt. Symptoms might take days or up to a week to appear.

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What to do if you get an allergic reaction from the COVID-19 vaccine?

If you get a COVID-19 vaccine and you think you might be having a severe allergic reaction after leaving the vaccination provider site, seek immediate medical care by calling 911.
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Is it normal for the Pfizer and Moderna vaccines to cause swelling in the armpit?

The swelling in the armpit was a recognized side effect in the large trials of the Moderna and Pfizer-BioNTech vaccines. According to The New York Times, in Moderna's study, "11.6% of patients reported swollen lymph nodes after the first dose, and 16% after the second dose.
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What are some of the side effects of the COVID-19 vaccine?


Some people have no side effects. Many people have reported side effects, such as headache, fatigue, and soreness at the injection site, that are generally mild to moderate and go away within a few days.

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Does having fever, body pain, and swollen lymph nodes after the COVID-19 vaccine mean I am sick?

These symptoms do not mean you are sick. They signal that your immune system is responding to the shot and building up protection against the coronavirus.

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Why do people experience side effects from COVID-19 vaccines?

When we get vaccinated for COVID-19, we often experience some side effects. The reason that we get side effects is that our immune system is revving up and reacting. When you get sick, the same thing happens.
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Which arm should you take the COVID-19 vaccine in?

Either arm is appropriate for getting the shot. Many individuals, however, select their non-dominant arm. It is entirely up to the individual to choose which arm works best for them. If you sleep on your side, and put pressure on your right arm, it might be best to get the shot in your left arm.
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What are the symptoms of shoulder injury related to COVID-19 vaccine?

The main signs of SIRVA are serious shoulder pain and less range of motion, meaning trouble with moving your shoulder normally. The symptoms usually show up within 48 hours after you get a vaccine shot in your upper arm. Research also suggests that over-the-counter pain meds don't help the symptoms get better.

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Are long term side effects possible with COVID-19 vaccination?


Serious side effects that could cause a long-term health problem are extremely unusual following any vaccination, including COVID-19 vaccination. The benefits of COVID-19 vaccination outweigh the known and potential risks.

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Can the Moderna COVID-19 vaccine cause allergic reactions?

There is a remote chance that the Moderna COVID-19 Vaccine could cause a severe allergic
reaction. A severe allergic reaction would usually occur within a few minutes to one hour after
getting a dose of the Moderna COVID-19 Vaccine. For this reason, your vaccination provider
may ask you to stay at the place where you received your vaccine for monitoring after
vaccination. Signs of a severe allergic reaction can include:
• Difficulty breathing
• Swelling of your face and throat
• A fast heartbeat
• A bad rash all over your body
• Dizziness and weakness

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What are the severe allergic reactions to COVID-19 mRNA vaccines?


“Overall, severe allergic reactions to COVID-19 mRNA vaccines, including life-threatening anaphylaxis reactions such as low blood pressure and difficulty breathing, are rare, on the order of five cases per million vaccine doses administered,” noted Dr. Guerrerio.

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Has anyone had severe reactions to the Moderna COVID-19 vaccine?


Monitoring of the Moderna COVID-19 vaccine has found 10 cases of anaphylaxis after the administration of 4,041,396 first doses of the Moderna COVID-19 vaccine. In 9 out of these 10 cases of anaphylaxis, the recipient of the vaccine had onset of symptoms within 30 min of administration.

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