How long do side effects from 2021 flu shot last?

Side Effects Soreness/redness/swelling/bruising at the injection site may occur and may last for up to 1-2 days. Fever, muscle aches, headache or weakness may also occur. If any of these effects continue beyond 2 days or become bothersome, tell your health care professional.

How long after flu shot do side effects develop?

After your shot, you might have headaches or some achiness and pain in the muscles throughout your body. This also usually happens on the first day and goes away within two days. Taking pain relievers such as ibuprofen can help ease your discomfort. Some people experience dizziness or fainting with the flu shot.

What are the side effects from 2021 flu vaccine?

Flu vaccine side effects are generally mild and go away on their own within a few days. Some side effects that may occur from a flu shot include soreness, redness, and/or swelling where the shot was given, headache (low grade), fever, nausea, muscle aches, and fatigue.

How long does fatigue last after flu shot?

Common reactions to vaccines are normal and can include soreness, redness and swelling where the vaccine was given. Other symptoms can include fever, headache, aching muscles and fatigue that may last 1 to 2 days.

What are the side effects of the flu shot 2022?

Common side effects from a flu shot include soreness, redness, and/or swelling where the shot was given, headache (low grade), fever, nausea, muscle aches, and fatigue.

How soon after flu shot do you feel tired?

These effects usually last less than two days. To help reduce discomfort, try taking some ibuprofen before getting your shot. After your shot, you might have headaches or some achiness and pain in the muscles throughout your body. This also usually happens on the first day and goes away within two days.

Can the flu shot make you feel achy and tired?

What ingredients are in the 2021 flu vaccine?

Here are some ingredients you’ll find in the flu shot:

  • Egg protein. Many flu vaccines are made by growing the viruses inside fertilized chicken eggs.
  • Preservatives. Vaccine manufacturers add the preservative thimerosal to multidose vaccine vials.
  • Stabilizers.
  • Antibiotics.
  • Polysorbate 80.
  • Formaldehyde.