What are the signs of an allergic reaction to the flu shot?
Signs of a severe allergic reaction can include:
- Difficulty breathing.
- Hoarseness or wheezing.
- Swelling around the eyes or lips.
- Hives.
- Paleness.
- Weakness.
- A fast heart beat or dizziness.
Can you have a delayed reaction to a flu shot?
Delayed-type reactions occur commonly within hours or days after exposure, although symptom onset can be delayed up to 2 to 3 weeks. The most common signs of delayed-type reactions are rashes (ie, various morphologic forms of maculopapular eruptions).
Is it normal to have a lump after flu shot?
The most common side effect following vaccination is a sore arm. If you use your arm normally after vaccination, it will help ease the soreness more quickly. In some people, vaccines may cause a lump or hardness at the injection site which persists for a few weeks.
When should you seek medical attention after a flu shot?
Symptoms may start 6-12 hours after the flu shot. If any of these symptoms do not go away in 1-2 days or get worse see your doctor. If any of these symptoms occur, you could be having a severe reaction to the vaccine. This is a medical emergency!
What are the reactions to the senior flu shot?
The high dose and adjuvanted flu vaccines may result in more of the temporary, mild side effects that can occur with standard-dose seasonal flu shots. Side effects can include pain, redness or swelling at the injection site, headache, muscle ache and malaise, and typically resolve with 1 to 3 days.
How long after a flu shot can an allergic reaction occur?
Vaccine-associated anaphylaxis is extremely rare, but the most concerning and life-threatening allergic reaction to vaccines. A typical vaccine-associated anaphylaxis has been known to occur within 30 min after immunization, but delayed-onset anaphylaxis could occur at >4 hours after immunization.
Why did my arm swell after flu shot?
While the flu shot cannot cause you to become sick with the flu, your immune system still recognizes what’s been injected into you as foreign. As a result, it produces an immune response, which leads to the soreness or swelling that occurs near the injection site.
When should you seek medical attention after a vaccine?
When to Call the Doctor Contact a doctor or healthcare provider: If the redness or tenderness where the shot was given gets worse after 24 hours. If the side effects are worrying or do not seem to be going away after a few days.
How do you treat an allergic reaction to the flu shot?
1) If itching and swelling are confined to the injection site where the vaccination was given, observe patient closely for the development of generalized symptoms and give acetaminophen or ibupropen and diphenhydramine or hydroxyzine (see Medication Table 1 below).
How long after a flu jab can you get side effects?
It is quite common to develop a fever (temperature 38°C or above) after a vaccination. This would normally happen within 48 hours of the vaccination and usually goes away within 48 hours.
How long will your arm be sore after a flu shot?
Soreness in your arm after getting a flu vaccine typically lasts no longer than one or two days. The pain and inflammation is your body’s natural response to a foreign invader. It’s a sign that your immune system is making antibodies, which is what offers you the protection from getting the actual virus.
What arm Should you get a flu shot in?
Get the injection in your non-dominant arm. Actually, it is your choice which side you choose, but if your arm does get sore you’ll notice it less in your non-dominant arm. However, if you have a fresh tattoo or a wound in the injection zone, get the shot in the other arm. Relax your arm and let it hang loose.