Use twice daily as needed. Fever: Fever with most vaccines begins within 12 hours and lasts 2 to 3 days. This is normal, harmless and possibly helpful. Fevers may improve antibody production. If over 6 months old, can give ibuprofen. For all fevers: Give extra fluids.
Keep your child well hydrated. General Reactions: All vaccines can cause mild fussiness, crying and restless sleep. This is usually because of a sore shot site. Some children sleep more than usual. A decreased appetite and activity level are also common. These symptoms are normal. They do not need any treatment. What to Expect: Most local reactions last 2 or 3 days. To reduce discomfort from fever. After a Second Shot Side effects after the second shot may be more intense than the ones experienced after the first shot.
If You Received a Booster Shot So far, reactions reported after getting a booster shot were similar to those after the two-dose or single-dose primary series.
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Muscles have a lot of blood vessels, which allow an injected vaccine to be absorbed and carried throughout the body more quickly. But sometimes healthcare workers mistakenly inject the vaccine into the fat instead of the muscle, which can trigger an inflammatory response. Poland recommends that individuals stay hydrated, eat properly and get enough sleep before their vaccine appointments.
Exercising your vaccinated arm, or using a heating pad or ice, can help with soreness and pain. The CDC recommends talking to your doctor about taking over-the-counter medications like ibuprofen, acetaminophen, aspirin or antihistamines for pain or discomfort after getting vaccinated.
You might plan to take time off work after your second dose since symptoms can be worse. Remember to drink plenty of fluids following vaccination. In the Pfizer vaccine trials , about one out in four reported no side effects. In trials of the Moderna vaccine , side effects were somewhat more common, with 82 percent of individuals experiencing them after the second dose. Despite the range of immune reactions, the Moderna and Pfizer vaccines have shown to be 90 percent effective at preventing Covid in a real-world setting.
But if you do happen to get an allergic reaction after a vaccine, a tell-tale sign is the timing. Whereas normal side effects typically occur four to 48 hours after getting a vaccine, an allergic reaction typically happens within 15 to 30 minutes after administration.
An allergic reaction is usually sudden and dramatic, involving difficulty breathing or swelling of the lips, tongue or throat. This type of reaction is called anaphylaxis and can be life-threatening. A small number of recipients have experienced anaphylaxis after receiving the Moderna and Pfizer vaccines. Shot sites can have swelling, redness and pain. Most often, these symptoms start within 24 hours of the shot. They most often last 3 to 5 days.
With the DTaP vaccine, they can last up to 7 days. Fever with most vaccines begins within 24 hours and lasts 1 to 2 days. Delayed Reactions. With the MMR and chickenpox shots, fever and rash can occur.
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