Types of Ticks in the US Where Ticks Live and What Diseases They Carry

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Did you know that all 48 connected states have some kind of tick crawling around? Find out which ticks are in your area--and which diseases they carry.

Ticks are blood-sucking parasites that will attach to dogs, cats, and people. While attached and feeding, ticks can pass along microscopic parasites or diseases. These diseases can be nasty things, causing aches, fever, pain, and sometimes even permanent brain damage. So what types of ticks are in the US, and which diseases do they carry?

Where Ticks Can Be Found in the US


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What Diseases Do Ticks Carry?

The following diseases can be contracted from different types of ticks.

Lyme disease

Rocky Mountain spotted fever

  • American dog tick
  • Brown dog tick
  • Rocky Mountain wood tick


  • Brown dog tick
  • Lone star tick



  • American dog tick
  • Brown dog tick


  • American dog tick
  • Lone star tick

Tick Paralysis


  • American dog tick
  • Lone star tick

Worried you or your pet may have been in contact with ticks? Find out how to get rid of ticks and how to remove a tick once it's bitten.

More on Ticks

Flea and Tick Treatment
How Do I Find Ticks on My Pet?
Where Is Lyme Disease Most Common?

This information is for informational purposes only and is not meant as a substitute for the professional advice of, or diagnosis or treatment by, your veterinarian with respect to your pet. It has, however, been verified by a licensed veterinarian for accuracy.

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