10 Anaplasmosis Symptoms

By christine
Reviewed: dr. vanta
Article Sources Article Sources
  • 1. 'Articles.' Cedars, www.cedars-sinai.org/health-library/diseases-and-conditions/a/anaplasmosis.html
  • 2. 'Signs and Symptoms.' Centers for Disease Control and Prevention, Centers for Disease Control and Prevention, 11 Jan. 2019, www.cdc.gov/anaplasmosis/symptoms/index.html
  • 3. 'What Is Sepsis?' Centers for Disease Control and Prevention, Centers for Disease Control and Prevention, 27 Jan. 2021, www.cdc.gov/sepsis/what-is-sepsis.html
Medical Expert Medical Expert

Anaplasmosis is a tick-borne illness caused by the Anaplasma phagocytophilum bacterium. Ticks are parasites related to scorpions and spiders that attach to other animals, including humans, and suck their blood. The bacteria spread through the tick bite, similar to babesiosis, ehrlichiosis and Lyme disease.

It takes 24 to 48 hours for the tick to transmit Anaplasma phagocytophilum bacteria. Anaplasmosis isn't contagious between people or animals. Anaplasmosis symptoms can vary from mild to severe. Typical signs include fever, headaches, muscle pains and fatigue. Anaplasmosis symptoms occur about one to two weeks following the tick bite.1‘Articles.’ Cedars, www.cedars-sinai.org/health-library/diseases-and-conditions/a/anaplasmosis.html

Fever and Chills

Even if a person doesn't notice the tick attached to their skin, the bacteria can infect them. The anaplasmosis symptoms are fever and chills. These can begin as early as the first day of infection to five days after transmission between the person and tick. However, it may take up to 14 days for the first signs to start.

The fever is typically mild, and patients might not notice it at first if they live in a warm climate. However, a temperature that rises above 101 degrees for an adult and 103 degrees for children should be evaluated by a physician.


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