Swine flu (H1N1 flu)

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  • With Mayo Clinic internist

    James M. Steckelberg, M.D.

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Question

Flu symptoms: Self-care for the flu

How do I know if I've caught the flu? Should I go to the doctor?

Answer

from James M. Steckelberg, M.D.

Flu symptoms typically begin one or two days after your exposure to the virus, and may seem to hit you suddenly. Among healthy people, flu symptoms vary in severity. Flu symptoms include:

  • Fever, sometimes rising above 103 F (39.4 C)
  • Chills
  • Muscle aches
  • Loss of appetite
  • Extreme fatigue
  • Eye redness and burning
  • Stuffy or runny nose
  • Dry cough
  • Sore throat

Flu symptoms can make you feel awful, but if you're basically healthy and you're not pregnant, take care of yourself at home rather than going to your doctor. Try these remedies:

  • Take acetaminophen (Tylenol, others) or ibuprofen (Advil, Motrin, others) to reduce fever and muscle aches. Don't give products containing aspirin to children or young adults, as these drugs may cause Reye's syndrome.
  • Drink clear fluids, such as water, broth or sports drinks.
  • Rest as long as you continue to feel tired, and sleep as much as you can.
Next question
Flu and pregnancy: Is antiviral medication safe?
References
  1. Flu symptoms. U.S. Department of Health and Human Services. http://www.flu.gov/individualfamily/about/symptoms/index.html. Accessed Nov. 11, 2010.
  2. Questions and answers: H1N1 flu and you. Centers for Disease Control and Prevention. http://www.cdc.gov/flu/freeresources/2009-10/pdf/h1n1andyou.pdf. Accessed Nov. 11, 2010.
  3. Treanor JJ. Uncomplicated influenza. In: Mandel GL, et al., eds. Mandel, Douglas and Bennett's Principles and Practice of Infectious Diseases. 7th ed. Philadelphia, Pa.: Churchill Livingstone; 2009. http://www.mdconsult.com/books/page.do?eid=4-u1.0-B978-0-443-06839-3..00165-X--s0155&isbn=978-0-443-06839-3&type=bookPage&sectionEid=4-u1.0-B978-0-443-06839-3..00165-X--s0160&uniqId=226264340-3#4-u1.0-B978-0-443-06839-3..00165-X--s0160. Accessed Nov. 11, 2010.
  4. Centers for Disease Control and Prevention, et al. Prevention and control of influenza with vaccines: Recommendations of the Advisory Committee on Immunization Practices (ACIP), 2010. MMWR Early Release. 2010;59:1. http://www.cdc.gov/mmwr/pdf/rr/rr59e0729.pdf. Accessed Nov. 11, 2010.
AN02034 Dec. 3, 2010

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