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    • Services and providers for Cat Scratch Disease in the U.S.

Also called: Cat scratch fever, CSD

Cat scratch disease (CSD) is an illness caused by the bacterium Bartonella henselae. Almost half of all cats carry the infection at some point. The infection does not make cats sick. However, the scratch or bite of an infected cat can cause symptoms in people, including

  • Swollen lymph nodes, especially around the head, neck and upper limbs
  • Fever
  • Headache
  • Fatigue
  • Poor appetite

For people with weak immune systems, CSD may cause more serious problems. The best way to avoid CSD is to avoid rough play with cats that could lead to scratches or bites. If you do get a scratch or bite, wash it well with soap and water. If the bite or scratch gets infected or if you have symptoms of CSD, call your doctor.

Centers for Disease Control and Prevention

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U.S. National Library of Medicine, 8600 Rockville Pike, Bethesda, MD 20894
National Institutes of Health | Department of Health & Human Services 		Date last updated: 27 April 2009
Topic last reviewed: 29 December 2008