Flu
Chapter 11. Respiratory Conditions

Flu is short for "influenza." It is a virus that affects your nose, throat, lungs. "Stomach flu" is stomach upset and diarrhea caused by a virus in the stomach and intestines. It in not true flu.

Cold and flu symptoms resemble each other, but they differ in intensity. A cold generally starts out with some minor sniffling and sneezing, but the flu hits you all at once. You're fine one hour and in bed the next. A cold rarely moves into the lungs. The flu can cause pneumonia. You may be able to drag yourself to work with a cold, but with the flu you may be too ill to leave your bed.

If the following symptoms come on suddenly and intensely, you probably have the flu:
General muscle aches or backache
Fever up to 104oF
Chills
Dry cough
Sore throat
Severe headache
Extreme fatigue
Pain when you move your eyes, or a burning sensation in the eyes

Muscle aches and fatigue are the most common signs of the flu. These are normally absent with a cold.

Prevention
An annual flu shot (influenza vaccine), given each fall can help prevent the flu or lessen its severity. Persons who should get a flu shot include: People 50 years of age or older; residents of long term health care facilities; anyone with a chronic medical illness or whose immune system is depressed; and anyone who has close contact with people who are at risk for getting a serious case of the flu. Ask your doctor if you should get an annual flu shot. Also, wash your hands often, get plenty of rest, eat well, and exercise regularly to reduce you risk of getting the flu.

The antiviral medicines Relenza, Tamiflu, or rimantadine may be prescribed. {Note: Ask your doctor about them. Do this at the onset of the symptoms.} Antibiotics (to combat any bacterial infection, if also present) may also be prescribed by your doctor.

Questions to Ask

Do you have any of these problems with the flu?
Inability to speak more than 4 or 5 words between breaths
Purple lips
Chest pain that spreads to the neck, jaw, or arm
Spitting up true red blood
Fever, stiff neck, and lethargy
Do you have any of these problems with the flu?
Earache
Sinus pain
Thick mucus that drains from the nose, ears, or chest
Is your fever and/or other symptoms, like coughing, getting worse?
Have flu symptoms come on 10 days to 3 weeks after a deer-tick bite or exposure to woods or places where deer ticks live?
Have you had the flu more than a week and not felt better with any Self-Care Tips? Or have new symptoms developed?
Have you had any side effects from taking any prescribed or over-the-counter medicines?

Self-Care Tips

There's no cure for the flu. It has to run its course. Generally, if you are in good health, you can treat the flu on your own. Try these tips to minimize discomfort.
Get plenty of rest.
Drink lots of hot (not scalding) drinks. They soothe your throat, help unplug your nose, and put back water you lose by sweating.
Gargle with warm, strong tea or warm salt water. Dissolve 1/4 teaspoon of salt in 1/2 cup of water.
Suck on lozenges or hard candies to lubricate your throat. (Don't give these to children under age 5.)
Let yourself cough if you are bringing up mucus. Don't suppress a cough that produces mucus. Ask you pharmacist for an over-the-counter expectorant if this is all right with your doctor. Also, if mucus is bloody, yellow, or green, contact your doctor for advice.
Don't drink milk or eat dairy products for a couple of days. They make mucus thick and hard to cough up in some persons.
Wash your hands often, especially after blowing your nose and before handling food. This helps you avoid spreading the flu virus to others. It helps to keep you from picking up viruses, too.
Take an over-the-counter medicine for fever and/or muscle aches. {Note: See Pain relievers in "Your Home Pharmacy".}

HEALTH AT HOME - Your Complete Guide to Symptoms, Solutions, and Self-Care © 2000 by Don R. Powell. American Institute for Preventive Medicine. 

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Date updated 02/28/01