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Swine Influenza – What Is Swine Flu

by mnemonique on June 2, 2009

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Symptoms:

Symptoms of swine flu are like regular flu symptoms and include fever, cough, sore throat, runny nose, body aches, headache, chills, and fatigue. Many people with swine flu have had diarrhea and vomiting. Nearly everyone with flu has at least two of these symptoms. But these symptoms can also be caused by many other conditions. That means that you and your doctor can’t know, just based on your symptoms, if you’ve got swine flu. It takes a lab test to tell whether it’s swine flu or some other condition.

Who is at highest risk from H1N1 swine flu?

Most U.S. cases of H1N1 swine flu have been in older children and young adults. It’s not clear why, and it’s not clear whether this will change.

But certain groups are at particularly high risk of severe disease or bad outcomes if they get the flu:

* Pregnant women
* Young children, especially those under 12 months of age
* The elderly
* People with heart disease or risk factors for heart disease
* People with HIV infection
* People with chronic diseases
* People taking immune suppressing drugs, such as cancer chemotherapy or anti-rejection drugs for transplants

People in these groups should seek medical care as soon as they get flu symptoms.
If I think I have swine flu, what should I do? When should I see my doctor?
If you have flu symptoms, stay home, and when you cough or sneeze, cover your mouth and nose with a tissue. Afterward, throw the tissue in the trash and wash your hands. That will help prevent your flu from spreading.

If you’ve got flu symptoms, and you live in or recently visited an area where H1N1 swine flu cases have been identified, CDC officials recommend that you see your doctor. If you have flu symptoms but you haven’t been in a high-risk area, you can still see a doctor — use your judgment and consider calling first to ask if you need to make an appointment.

Keep in mind that your doctor will not be able to determine whether you have swine flu, but he or she may take a sample from you and send it to a state health department lab for testing to see if it’s swine flu. If your doctor suspects swine flu, he or she would be able to write you a prescription for Tamiflu or Relenza. Those drugs aren’t a question of life or death for the vast majority of people. Most U.S. swine flu patients have made a full recovery without antiviral drugs.

But there are emergency warning signs.

Children should be given urgent medical attention if they:

• Have fast breathing or trouble breathing

• Have bluish or gray skin color

• Are not drinking enough fluids

• Are not waking up or not interacting

• Are so irritable that the child does not want to be held

• Have flu-like symptoms that improve but then return with fever and a worse cough

• Have fever with a rash

Adults should seek urgent medical attention if they have:

• Difficulty breathing or shortness of breath

• Pain or pressure in the chest or abdomen

• Sudden dizziness

• Confusion

• Severe or persistent vomiting

How does swine flu spread? Is it airborne?
The new swine flu virus apparently spreads just like regular flu. You could pick up germs directly from an infected person, or by touching an object they recently touched, and then touching your eyes, mouth, or nose, delivering their germs for your own infection. That’s why you should make washing your hands a habit, even when you’re not ill. Infected people can start spreading flu germs up to a day before symptoms start, and for up to seven days after getting sick, according to the CDC.

The swine flu virus can become airborne if you cough or sneeze without covering your nose and mouth, sending germs into the air.

The U.S. residents infected with swine flu virus had no direct contact with pigs. The CDC says it’s likely that the infections represent widely separated cycles of human-to-human infections.

How is swine flu treated?

The new swine flu virus is sensitive to the antiviral drugs Tamiflu and Relenza. The CDC recommends those drugs to prevent or treat swine flu; the drugs are most effective when taken within 48 hours of the start of flu symptoms. But not everyone needs those drugs; many of the first people in the U.S. with lab-confirmed swine flu recovered without treatment. The Department of Homeland Security has released 25% of its stockpile of Tamiflu and Relenza to states. Health officials have asked people not to hoard Tamiflu or Relenza.

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