Early Stages:

Symptoms may appear from 48 hours to several weeks after a bite from an infected tick.

  • EM (erythema migrans) rash anywhere on the body, or a “bulls eye” rash at the bite site (only 1/3 of infected people show a rash)

  • Flu-like symptoms: fatigue, muscle and joint pain, headache, fever, chills, swollen glands, sore throat, stiff neck


Symptoms may occur weeks, months, or even years after the bite, and the symptoms may come and go cyclically.

  • Profound fatigue

  • flu-like symptoms with swollen glands, low-grade fever

  • Chills, sweats, and skin flushes

  • Night sweats

  • Migrating arthralgias (swollen or painful joints)

  • Muscle pain, weakness, paralysis

  • Severe headache, stiff neck, backache

  • Numbness, tingling, motor dysfunction, loss of balance, dizziness, poor coordination, Bell’s palsy, trouble swallowing, tremors, shakiness, seizures, neurological disorders*

  • Distortion of smell or taste

  • Sensitivity to lights, sounds, motion, odors, blurred vision or loss of sight

  • Pelvic pain, abdominal pain, vomiting, diarrhea, heartburn (may mimic Crohn’s disease or colitis)

  • Cognitive dysfunction, difficulty organizing or making decisions, memory loss, anxiety, sleep disorders, panic attacks, depression, psychiatric disorders

  • Irregular heartbeat, palpitations, heart block, chest pain, difficulty breathing

*The more severe neurological symptoms or disorders associated with late-stage Lyme disease include:
Seizure disorders
ALS-like syndrome
Parkinson’s-like syndrome
MS-like syndrome