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Symptoms
By Mayo Clinic staffSwine flu symptoms in humans are similar to those of infection with other flu strains:
- Fever
- Cough
- Sore throat
- Body aches
- Headache
- Chills
- Fatigue
- Diarrhea
- Vomiting
Swine flu symptoms develop about one to three days after you're exposed to the virus and continue for about eight days, starting one day before you get sick and continuing until you've recovered.
When to see a doctor
It's not necessary to see a doctor if you're generally healthy and you develop swine flu symptoms, such as fever, cough and body aches. Do call your doctor, however, if you have flu symptoms and you're pregnant or you have a chronic disease, such as emphysema or a heart condition.
References
- Thorner AR. Epidemiology of pandemic H1N1 influenza ('swine influenza'). http://www.uptodate.com/index. Accessed May 10, 2012.
- H1N1 (Originally referred to as Swine Flu). U.S. Department of Health and Human Services. http://www.flu.gov/types/h1n1/index.html. Accessed May 10, 2012.
- Key facts about human infections with variant viruses (swine origin influenza viruses in humans). Centers for Disease Control and Prevention. http://www.cdc.gov/flu/swineflu/keyfacts-variant.htm. Accessed May 10, 2012.
- What you should know about antiviral drugs. Centers for Disease Control and Prevention. http://www.cdc.gov/flu/antivirals/whatyoushould.htm. Accessed May 10, 2012.
- Thorner AR. Clinical manifestations and diagnosis of pandemic H1N1 influenza ('swine influenza'). http://www.uptodate.com/index. Accessed May 10, 2012.
- Thorner AR. Treatment and prevention of pandemic H1N1 influenza ('swine influenza'). http://www.uptodate.com/index. Accessed May 10, 2012.
- Jefferson T, et al. Neuraminidase inhibitors for preventing and treating influenza in healthy adults and children. Cochrane Database of Systematic Reviews. http://ovidsp.tx.ovid.com/sp-3.5.1a/ovidweb.cgi?&S=MJGAFPPDAFDDBDDBNCALFHGCMLDJAA00&Complete+Reference=S.sh.15%7c1%7c1. Accessed May 10, 2012.
- The flu: What to do if you get sick. Centers for Disease Control and Prevention. http://www.cdc.gov/flu/takingcare.htm. Accessed May 10, 2012.
- Key facts about seasonal flu vaccine. Centers for Disease Control and Prevention. http://www.cdc.gov/flu/protect/keyfacts.htm. Accessed May 10, 2012.
- Vaccine selection for the 2011-2012 and 2012-2013 influenza seasons. Centers for Disease Control and Prevention. http://www.cdc.gov/flu/about/qa/vaccine-selection.htm. Accessed May 12, 2012.
- A guide to safe use of pain medicine. U.S. Food and Drug Administration. http://www.fda.gov/ForConsumers/ConsumerUpdates/ucm095673.htm. Accessed June 5, 2012.
- CDC reports cases 18-29 of H3N2v virus infection; continues to recommend interim precautions when interacting with pigs. Centers for Disease Control and Prevention. http://www.cdc.gov/flu/spotlights/h3n2v_us_cases.htm. Accessed Aug. 6, 2012.
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