The flu, or influenza, is a disease that attacks the respiratory system and can be very serious and potentially fatal.  X A Trusted Source Mayo Clinic Visit a highly contagious source Flu. Most cases of the flu will go away on their own without medication or complications. Many people now choose the flu vaccine to prevent serious illness or complications. The flu vaccine is generally safe, but some people may have a negative reaction after being injected.  X Trusted Sources Centers for Disease Control and Prevention Visit sources You can treat negative reactions to flu vaccines by seeking medical help for allergic reactions or reducing less serious side effects at home.
Seeking Medical Treatment for Severe Reactions
Get medical attention right away to treat a severe allergic reaction. In rare cases, the flu vaccine can cause severe reactions or life -threatening allergies. This usually develops within minutes to hours of receiving the vaccine. If you experience the following symptoms and the condition is severe, call emergency services immediately or go to the nearest hospital as soon as possible:
It’s hard to breathe
Hoarse or wheezing.
Swelling around the eyes, lips, or throat
Rapid heartbeat or dizziness
Contact your doctor for possible allergic reactions. Even if you do not experience symptoms of a severe or life -threatening allergic reaction from the flu vaccine, you may still experience serious side effects. It also requires medical attention. Contact your doctor and ask what to do if you experience these serious side effects:
Fever over 38 degrees Celsius
Redness or swelling at the injection point
Difficulty breathing or fast heartbeat
Dizziness for more than a day or two
Blood continues to come out of the injection point
Find a remedy to reduce the reaction. Medical treatment depends on the type of negative or serious reaction you are experiencing. The doctor may prescribe medication or require you to stay in the hospital to be monitored. You may get one of the following treatments for serious reactions:
Epinephrine injection for anaphylaxis
Oral or injectable antihistamines for redness and/or itching
Hospitalized for cardiovascular reactions or loss of consciousness
Monitor your symptoms carefully. In many cases, negative reactions to the flu vaccine will go away without treatment. However, it is important to pay attention to the symptoms you experience after the injection or after receiving treatment for a negative reaction. If your symptoms do not go away or worsen, call your doctor or seek medical attention immediately. This can minimize the risk of negative reactions and serious complications.
Contact your doctor if you are unsure about these side effects or how you are feeling. Better be careful before it’s too late.
Relieves Mild Side Effects at Home
Recognize common negative reactions. Serious reactions to flu vaccines are not uncommon. However, you may still have a negative reaction to the injectable vaccine or nasal spray (flu spray vaccine is not recommended). By recognizing the common side effects of flu vaccines, you can find out how best to treat them. Negative reactions include:
Pain, swelling, or redness at the injection point
Mild fever (below 38 degrees Celsius)
Nausea or vomiting
Cough or sore throat
Take ibuprofen to treat pain or swelling. Most side effects of the flu vaccine will go away in two days. The most common negative reaction occurs at the point of injection. These usually include redness, pain, or mild swelling. Take a pain reliever such as ibuprofen to relieve discomfort and reduce swelling.
Take AINS (nonsteroidal anti -inflammatory drugs) such as aspirin, ibuprofen , or naproxen sodium . This can relieve pain and reduce swelling or inflammation.
Follow the dosage rules listed on the product packaging or as instructed by your doctor.
Use cold compresses. You may feel itching, pain, or discomfort at the injection site. You may experience dizziness or weakness. Applying cold compresses to the injection point or face can alleviate a negative reaction to the flu vaccine.
Place a cold waslap or ice bag at the injection point if it is swollen, uncomfortable, or red. Use as often as needed for 20 minutes until symptoms disappear.
Apply a cold, damp waslap on your face or neck if you feel dizzy, have a headache, or sweat.
Release the compress if your skin is too cold or numb.
Compress light bleeding with a bandage. The injection point may bleed a little after vaccination. In some cases it may continue to bleed for several days after the injection. If that happens, apply a compress until the bleeding stops.
Call a doctor if the bleeding does not stop in a day or two, or gets worse.
Sit down and eat something light to relieve dizziness. Some people may feel dizzy or even faint after being vaccinated against the flu. In general, these negative reactions will not last more than a day or two. The best way to deal with dizziness and prevent fainting is to rest. Eating snacks while resting can raise your blood sugar levels and make you feel better.
Sit or lie on the floor for a few minutes if you feel dizzy. Loosening clothes or sitting with the head between the knees can reduce dizziness.
Eat snacks to increase blood sugar levels and help minimize dizziness. Choose healthy snacks such as cheese, bread with peanut jam, or apples.
Relieve fever with acetaminophen or ibuprofen. Many people develop a mild fever (below 38 degrees Celsius) after the flu vaccine. This is a common reaction and usually subsides within one to two days. If the fever bothers you, taking ibuprofen or acetaminophen can reduce the fever and also the discomfort you may feel due to muscle pain.
Follow the instructions on the package or your doctor’s instructions to lower the fever with ibuprofen or acetaminophen.
Call a doctor immediately if the fever does not go down after two days or rises above 38 degrees Celsius.
Use antifungal medication. Itching at the injection point is also a common negative reaction after the flu vaccine. In many cases, this itching will also go away in a day or two. However, you may feel uncomfortable. Use antigatal or antipruritic medication to reduce the itchy sensation at the injection point.
Apply hydrocortisone cream every four to six hours to reduce itching. If the itching is severe, your doctor may prescribe prednisone or oral methylprednisolone .
Take antihistamines such as diphenhydramine (Benadryl) or hydroxyzine (Atarax) every four to six hours to control itching at the injection point.