![]() Overall, the CDC recommends speaking to a health care professional prior to getting a flu vaccine if you meet any of the following criteria: “Those with an egg allergy can get the flu vaccine, but need to discuss with their doctor which specific vaccine is right for them,” Dr. The flu vaccine is safe for most people, but if you have any allergies, like to egg proteins or any other ingredients that could be in the vaccine, such as gelatin, it’s important to speak with your doctor or pharmacist before getting inoculated. ![]() However, in very rare cases, a flu vaccine can cause issues in people with pre-existing medical circumstances. ![]() Seriously, this is not a thing that is even remotely possible. Let’s just clear this up now: “You can’t get the flu from the flu vaccine,” Dr. Sore throat after the nasal flu vaccine: This is generally mild, so it likely won’t be as painful as when you’re full-on sick.Coughing or sneezing after the nasal flu vaccine: This will be milder than if you had the flu and should only last for a couple of days.Fatigue: You might feel really tired and like you need a nap, but that’s nothing to worry about since it’s one of those typical flu vaccine side effects.Like headaches, muscle aches are a normal immune response to the flu vaccine and will be gone before you know it. Muscle aches: You might feel sore all around (similar to how you might feel after a new workout).Nausea: Feeling nauseous is another normal and common immune system response to the flu vaccine.(A low-grade fever is roughly 99.9 to 100.4 degrees Fahrenheit, according to the CDC.) Fever: Some people have a mild, low-grade fever within the first 24 hours or so after getting their flu shot.Like other side effects, this should let up within a couple of days. Mild headache: A mild headache may set in the day of your flu shot.Dizziness or fainting: Needles can be scary, and some people might become lightheaded or even faint due to anxiety or nerves about getting poked.Redness or swelling near the injection site: Your arm might be reddened and look larger or puffier than normal due to inflammation.Soreness near the injection site: You might have a dull ache and some mild swelling due to inflammation in the area where you received your flu shot.It usually takes about two weeks for those to kick in and offer you protection, per the CDC. “Your immune system will start to rev up in response.” These dead, partial, and weakened viruses are enough to provoke your immune system to develop antibodies to guard you against live and threatening flu viruses. Adalja, M.D., senior scholar at the Johns Hopkins Center for Health Security, tells SELF. “When you get any type of vaccine, the whole purpose is to expose your immune system to the virus,” infectious disease expert Amesh A. Neither form of the vaccine contains live flu viruses that can thrive in your body. Here’s how it works: The flu shot contains inactivated (completely dead) or incomplete strains of the influenza virus, while the nasal spray contains live attenuated (weakened) strains. You might think that side effects are a bad thing, but they’re actually signs that your immune system is responding and getting ready to protect you. ![]() What are common flu vaccine side effects to expect?Īccording to the CDC, you may experience short-lived, minor side effects of the flu shot or nasal spray vaccine-as is the case with any vaccination or medication. All of the vaccines available for the 2021-2022 flu season, whether they’re via nasal or needle administration, protect against the same four flu viruses circulating heavily right now.Īccording to the CDC, one vaccine isn’t any better than the other, but if you have any questions about whether one might be best for you, then it’s always safest to talk to your doctor. (Roughly 380,000 people were hospitalized from the flu between 20, according to the CDC.)įlu viruses are always changing, so flu vaccine formulas are reviewed (and updated if necessary) every year to best protect people against the viruses that are predicted to cause the most illness, according to the CDC. And it’s important to remember that some people do end up with complications from the flu. Agarwal says there’s a possibility that outbreaks will continue throughout the flu season as people loosen up on illness-reducing behaviors like wearing face masks. In fact, we’ve already seen flu outbreaks this flu season, such as the massive outbreak at the University of Michigan campus. A minimal flu season last year doesn’t mean we’re in the clear this year.
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