Canadian doctors prescribe one dose of this antibiotic to prevent Lyme disease. Here’s why that’s a bad idea

If you go to a family doctor’s office with a tick bite you might find yourself at the centre of a growing controversy about how to prevent Lyme disease. For more than two decades, there’s been one recommended treatment in Canada for patients who: In these cases, doctors are advised to prescribe a single 200-milligram dose of an antibiotic called doxycycline to prevent the patient…

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CanLyme reference