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Signs and Symptoms of Lyme Disease

Lyme disease is caused by the bacteria called Borrelia burgdorferi. People can get Lyme disease through the bite of infected blacklegged ticks. It's important to watch for signs and symptoms of Lyme disease, especially if you have been in an area known to contain Lyme disease carrying ticks.

According to Ontario's Ministry of Health and Long-Term Care, most symptoms of Lyme disease in humans usually appear between three and 30 days after a bite from an infected blacklegged tick.

Signs and symptoms of Lyme disease to watch out for include:

• Fever and chills

• Headache

• Muscle and joint pains

• Fatigue

• Stiff neck

• Swollen lymph nodes

• A circular rash, especially one in the shape of a bull's-eye


If you are showing these symptoms, immediately consult with your health care provider. Let your health care provider know when and the geographical location of where you were bitten by a tick. Be aware that Lyme disease can be deceptive, and may be mistaken for other types of disorders.

If you notice a tick is still attached, remove it as soon as possible.

Medical treatment (including the use of antibiotics) is available for Lyme disease. Left untreated, Lyme disease can cause serious health problems -- especially affecting the heart, nervous system and joints. The good news is that if caught early, Lyme disease can be treated.