Ticks

Homepage for CDC's website about ticks and tickborne diseases.

CDC Health Topics A–Z 1 min read
This content is for informational purposes only. Always consult a healthcare professional.

Source: Centers for Disease Control and Prevention — Content from the Centers for Disease Control and Prevention (public domain).

A father sprays tick repellent on his young daughter’s arm for a forest hike. Prevention Reducing exposure to ticks is the best defense against tickborne diseases. Learn More Aug 28, 2024 What to Do After a Tick Bite Steps to take after a tick bite including removing a tick and watching for signs and symptoms. Where Ticks Live Maps showing the general distribution of medically important human-biting ticks in the U.S. About General information on diseases spread by ticks and signs and symptoms of tickborne disease. For professionals Clipart image of a tick and the CDC logo Tickborne Disease Continuing Education Free continuing education activities for healthcare providers on tickborne diseases in the U.S. Learn More May 14, 2025 Featured Illustration of an orange cartoon tick, pointing at himself. Tick Bite Guide Tool to assist people in removing attached ticks and seeking health care when appropriate. July 15, 2024 Blacklegged tick embedded in human skin. Tick Bite Tracker Information on the use of syndromic surveillance data for tickborne disease surveillance. May 15, 2024 Trail sign that reads “Beware of ticks” posted in the woods Communication Resources CDC has developed tools to help state and local health departments prevent tickborne disease. Mar 18, 2026

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Medical Disclaimer: This information is for educational purposes only. Always consult a healthcare professional for medical advice.