It can take up to 30 days for Lyme disease symptoms to appear after a tick bite, the CDC says. "If you're starting to feel feverish or have any (of the above) systemic symptoms, that's a sign to ...

That red area won’t get any bigger, unless it’s really a rash, which may be a sign of Lyme disease or another tick-borne illness. Ticks bite once and use that site to feed on your blood until ...