What Does Flu Do To Lungs?

How does influenza affect the lungs?

The virus that causes the flu can infect the epithelial cells in your lungs and start reproducing itself within your lung tissue.

That leads to more inflammation as immune cells in the area try to fight back to get rid of the virus..

How long does it take for lungs to recover from flu?

Acute bronchitis often develops three to four days after a cold or the flu. It may start with a dry cough, then after a few days the coughing spells may bring up mucus. Most people get over an acute bout of bronchitis in two to three weeks, although the cough can sometimes hang on for four weeks or more.

Can the flu cause respiratory problems?

Flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs. It can cause mild to severe illness, and at times can lead to death. The best way to prevent flu is by getting a flu vaccine each year.

Can flu permanently damage lungs?

A protein in influenza virus that helps it multiply also damages lung epithelial cells, causing fluid buildup in the lungs, according to new research.

How does flu virus enter body?

The flu virus typically enters your body through your nose via droplets from an infected person who sneezes or coughs near you. If a sick person is standing within six feet of you, they’re close enough to spread germs.

How often does the flu turn into pneumonia?

While many sick with the flu tend to recover within two weeks, some people can develop complications. One of those complications can lead to pneumonia. According to Everyday Health, one-third of pneumonia cases develop from a respiratory virus, with the flu the most common of those.

How do you know if your flu has turned into pneumonia?

Pneumoniasevere cough with large amounts of mucus.trouble breathing.shortness of breath.severe chills or sweating.fever higher than 102°F (38.9°C) that’s not going away, especially if you also have chills or sweating.chest pains.

How can I strengthen my lungs after the flu?

Below, we look at breathing exercises and lifestyle changes that can help remove excess mucus from the lungs and improve breathing.Steam therapy. … Controlled coughing. … Drain mucus from the lungs. … Exercise. … Green tea. … Anti-inflammatory foods. … Chest percussion.

Can flu cause long term problems?

What Are the Most Common Complications? They include viral or bacterial pneumonia, dehydration, and ear infections and sinus infections, especially in children. The flu can worsen long-term medical conditions, like congestive heart failure, asthma, or diabetes.

Does the flu virus stay in your body forever?

Unfortunately, flu viruses mutate (change) each year. So getting sick once doesn’t protect you from the flu forever. Some years, the change in the flu virus is slight. So if you do get the flu, it’s mild.

How long is the flu contagious?

When Flu Spreads Most healthy adults may be able to infect others beginning 1 day before symptoms develop and up to 5 to 7 days after becoming sick. Children and some people with weakened immune systems may pass the virus for longer than 7 days.

How soon does pneumonia develop after flu?

With influenza pneumonia, for example, someone may become sick as soon as 12 hours or as long as 3 days after exposure to the flu virus. But with walking pneumonia, a person may not feel it until 2 to 3 weeks after becoming infected.