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It’s Worth a Shot to Foil the Flu Bug

The flu can be serious, even life-threatening, for the elderly with health problems


NIH/National Institute on Aging

Based on content from the NIH/National Institute on Aging AgePage “Flu–Get The Shot.”

Flu is a mild illness for some people.

But for older people, especially those who have health problems like diabetes or heart disease, the flu can be very serious, even life-threatening.

How Serious is the flu?

Most people who get the flu feel much better in a week or two. But, some people can get very sick. For example, because your body is busy fighting off the flu, you might pick up a second infection. Older people are at great risk of these secondary infections, such as pneumonia.

How Does Flu Spread?

The flu is contagious — that means it spreads from person to person, often through the air. You can pass on the infection before you feel sick. You are contagious for several days after you get sick. You can catch the flu when someone near you coughs or sneezes. Or if you touch something the virus is on, and then touch your nose or mouth, you could catch the flu. The flu virus can live on a surface like a book or doorknob for a number of hours. Remember to wash your hands often when you are around someone who is sick. Make a point of washing them before eating and touching your eyes, nose, or mouth. If you can, stay away from sick people. That will help stop the flu from spreading.

Is It the Flu or a Cold?

It’s easy to confuse a common cold with seasonal flu. A cold is milder than the flu, but since the flu can make older people very sick, you should know the difference. That way you will know when to call the doctor, who might want to give you a prescription for medicines that can help you get over the flu.

People with the flu can have fever, chills, dry cough, general aches and pains, and a headache. They feel very tired. Sore throat, sneezing, stuffy nose, or stomach problems are less common. What some people call “stomach flu” is not influenza.

Symptoms If it’s a cold If it’s the flu
Fever rare usual
Headache rare common
General aches, pains slight usual; often severe
Tiredness, weakness sometimes usual; can last 2 to 3 weeks
Extreme exhaustion never usual; when first become sick
Stuffy nose common sometimes
Sneezing usual sometimes
Sore throat common sometimes
Chest discomfort, cough mild to moderate hacking cough common; can become severe

Can Flu Be Prevented?

Getting a flu shot every year can help you stay healthy. A flu shot contains the flu vaccine, which could keep you from getting the flu. Medicare will pay for the shot, and so will many private health insurance plans. You can get a flu shot at your doctor’s office or from your local health department. Sometimes grocery or drug stores offer flu shots. The vaccine is the same wherever you receive it.

A flu shot won’t keep everyone healthy. But, getting the flu shot every year can mean that if you do get the flu, you might have only a mild case.

Who Should Get a Flu Shot?

The Centers for Disease Control and Prevention, part of the Federal Government, says that people age 50 and older should get a flu shot every year. Anyone who lives with or takes care of people age 50 or older should also have a flu shot every year.

When Should I Get My Flu Shot?

Most people get the flu between November and April. That’s why that time is called the flu season. It takes at least 2 weeks for your shot to start working, so try to get your flu shot in October or early November. Don’t worry if you can’t get your flu shot before the flu season starts. The shot can help keep you healthy no matter when you get it.

Why Do You Need a Flu Shot Every Year?

Flu viruses change often. Each year’s virus is often just a little different than the year before. So every year the vaccine in the flu shot is changed. That’s one reason why you need a flu shot every fall.

Are There Side Effects?

Most people have no problem with a flu shot. In fact, for most people, the flu is far more dangerous than the flu shot.

When you get the flu shot, your arm might be sore, red, or a bit swollen. These side effects may start shortly after getting the shot and can last up to 2 days. They should not get in the way of your daily activities. A few people do have a headache or a low-grade fever for about a day after they get the shot. The flu shot cannot cause you to get the flu.

If you are allergic to eggs, you should not get the flu shot. Because eggs are used to make the flu vaccine, people who are allergic to eggs could have a serious reaction to the shot.

What Can I Do if I Get the Flu?

If you get the flu, there are things you can do to feel better. First, call your doctor to see if there are medicines that can help. Remind him or her if you are taking drugs to fight cancer or other medicines that make it hard for your body to fight illness. There are prescription drugs, called antivirals, that are used to treat people with the flu. If you take them within 48 hours after the flu begins, these drugs can make you feel better more quickly. Antibiotics do not help you get over the flu. They are sometimes prescribed to help you get over a secondary infection if it is caused by bacteria. Bacteria are a different type of germ than viruses.

Antivirals can also be used to prevent flu. If you hear that there is a flu outbreak in your area, check with your doctor. He or she could prescribe an antiviral that might protect you. Prevention is key. The first choice for preventing the flu is a flu shot.

If you are sick, try to rest in bed and drink plenty of fluids, like juice and water but not alcohol. Medicine such as aspirin or acetaminophen can bring down your fever, which might help with the aches and pains. It is important not to smoke if you are sick with the flu. It is a respiratory illness that can infect your lungs, as well as your nasal passages. These same areas are also bothered by smoking. Take it easy as much as you can until you are well.

Things to Remember

  •     The flu can be dangerous for older people.
  •     The flu can be prevented.
  •     Older people need a flu shot every year.
  •     Medicare pays for the flu shot.
  •     The flu shot is safe.

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