These symptoms can mean your illness is severe. They include: In more severe cases, some people experience vomiting and diarrhea. Most cases of flu are mild and will go away on their own within 2 weeks. These vaccinations are essential for people at risk of complications. Type C is milder than types A or B and does not spread as easily. Smart Grocery Shopping When You Have Diabetes, Surprising Things You Didn't Know About Dogs and Cats, Coronavirus in Context: Interviews With Experts.
It is essential to speak to a doctor if the following symptoms occur: To help prevent the flu from spreading, people should wash their hands regularly, especially during the winter months. Do echinacea and vitamin C really help a cold? Influenza, or flu, is a viral infection that affects the respiratory system. This means they protect people from two subtypes of influenza A and two subtypes of influenza B. We also discuss the benefits, risks, and side effects of flu shots, and who should avoid them. Can we ease motion sickness through mental training? There are 18 different H subtypes in influenza A that run from influenza H1 to H18.
WebMD does not provide medical advice, diagnosis or treatment.
coughs that produce a green or yellow substance.
People at risk of complications may need antiviral drugs to fight the virus. They can reduce recovery time by a couple of days.
You might have: Fever above 100 F. Severe aches in your muscles and joints. Unlike cold symptoms, signs of the flu tend to come on suddenly. Each subtype also has different strains that influence the virus further. Avoid all contact with anyone who is at risk of complications from the flu. They can also help after 48 hours if your illness is severe. These proteins, hemagglutinin (H) and neuraminidase (N), help the virus to attach to cells in the body, causing the infection. Influenza A is one of four types of the virus, which can cause a cough, body aches, and a sore throat. Vaccines work by preparing the immune system to make antibodies that fight off the virus before it can take effect. ", National Jewish Medical and Research Center: "Influenza and the Flu Vaccine. But some people will experience complications.
Stay at home for the first few days, and get plenty of rest and water. ", Asthma and Allergy Foundation of America: "Flu (Influenza). People who are otherwise healthy donât usually have serious problems from the flu. Influenza (flu) can cause mild to severe illness, and at times can lead to death.
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Most available vaccines are quadrivalent. Examples of these medications include oseltamivir (Tamiflu) or zanamivir (Relenza). All rights reserved. The symptoms of colds and flu can be a lot alike.
In most cases, the body’s immune system will fight the virus off itself. What are the differences between a bad cold and the flu? Taking immunosuppressant medications can also increase the risk of complications. Developing the flu in these cases can have very severe consequences, which can become life-threatening. Flu signs and symptoms usually come on suddenly. The flu is highly contagious.
It is crucial to stay at home for the first few days after getting the infection to avoid spreading the virus to others. © 2005 - 2019 WebMD LLC. Flu usually comes on suddenly.
If you take them during this window, they can cut your illness short by a day. Certain foods may help fight flu symptoms and support recovery. Vaccinations are available to prevent the flu. Influenza A will usually clear up on its own within 2 weeks.
The influenza A virus is highly contagious.
Find out what ingredients are in a flu shot and why. Hereâs how to tell which one is making you sick: In most cases, the best things to do when you have the flu are: Your doctor might give you prescription medications called antiviral drugs if youâre at higher risk of complications, such as if you: These medicines -- baloxavir marboxil (Xofluza), oseltamivir (Tamiflu), peramivir (Rapivab), and zanamivir (Relenza) -- work best when you take them 48 hours or less after your symptoms start.
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