Doctors explain everything you need to know about Lyme disease and what to do if you find a tick attached to your skin.

Lyme disease spreads through a bite from an infected blacklegged tick, and symptoms include headache, fever, and a "target" skin rash. Learn more about Lyme disease and how to prevent it.

Getting a tick bite doesn't automatically spell medical emergency, but it is important to know what to do next.

Some animals repeatedly exposed to tick bites are eventually able to develop resistance to tick feeding, where the ticks either detach soon after biting or cause skin redness that alerts the host to ...

If the initial bite grows bigger than 5 cm in diameter over the course of five to eight days, it may be a sign of a tick-borne disease, says Mather. When you check for ticks, keep in mind that ...