Possible complications, especially for those at high risk, include:

• Pneumonia
• Encephalitis (infection of the brain)
• Bronchitis
• Sinus infections
• Ear infections

Call your health care provider if someone in a high-risk category develops symptoms of the flu.

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CDC Recommends Against the Use of Amantadine and Rimantadine for the Treatment or Prophylaxis of Influenza in the United States during the 2005-06 Influenza Season. Atlanta, Ga. U.S. Centers for Disease Control and Prevention; January 14, 2006.

Long SS, Pickering LK, and Prober CG, eds. Principles and Practice of Pediatric Infectious Diseases. 2^nd Ed. New York, NY: Churchill Livingstone, 2003:1159-1160.

Ferri FF. Ferri’s Clinical Advisor: Instant Diagnosis and Treatment. 2005 ed. St. Louis, MO: Mosby; 2005:447-448.

Noble J., ed. Textbook of Primary Care Medicine. 3^rd Ed. St. Louis, MO: Mosby; 2001.