Backcountry first aid · Field reference
Tick Removal — done right
first aid kit
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- ✕Matches, heat, or flameForces the tick to regurgitate into the bite — exactly how Lyme and co-infections enter
- ✕Nail polish or VaselineSame result — stresses the tick into emptying its gut
- ✕Soap on cottonSame mechanism, same risk
- ✕Twisting or jerkingMouthparts are barbed — steady upward pull only
- ✕Digging out a broken mouthpartYour body pushes it out like a splinter. Digging causes more damage
- 1Use fine-tipped tweezers. Grip at the mouthparts where they enter skin — not the body.
- 2Pull straight up with steady pressure. It will resist. Hold firm — releases within seconds.
- 3If a mouthpart breaks off, leave it alone. Your body will push it out.
- 4Clean the bite with alcohol or soap and water. Wash your hands.
Tape it to an index card with clear packing tape. Write the date and location on your body. Keep for 30 days. If you develop symptoms, that tick goes with you to the doctor. Some labs test it directly — faster and more reliable than waiting for antibodies to show in your blood. A dated tick on a card is one of the most useful things you can hand a doctor.
When to act immediately
If the tick was engorged and you cannot confirm it was off within 24 hours, do not wait for a rash. Many Lyme cases never produce a bullseye. A single preventive dose of doxycycline within 72 hours of a deer tick bite cuts transmission risk significantly.
Ontario residents
No doctor required. A pharmacist can prescribe the preventive doxycycline dose if criteria are met: deer tick, estimated 24+ hours attached, within 72 hours of removal. Walk in with the tick on a card and a clear timeline.