LymeHQ · Urgent Guidance

When to seek urgent care

Most tick-borne illness is handled in an ordinary appointment. Some of it is not. This page describes the symptoms that mean you should be seen now rather than next week.

If this is a medical emergency, call your local emergency number now.

In the United States that is 911. Do not wait for a callback, an appointment, or a test result. Go to an emergency department, or call an ambulance if you cannot safely travel. This page is educational information and cannot assess you. It does not replace emergency services, and nothing on it should delay you calling them.

Time attached is the variable

Tick attachment time and the chance of transmissionAcross the first three days of attachment the chance of a tick passing on an infection rises: it is lowest in the first day, climbs through the second, and is highest by the third. The CDC currently describes Lyme transmission as requiring, in most cases, more than 24 hours of attachment — which is why removal within the first day matters most. The vertical scale is deliberately unlabelled — the drawing shows a direction, not a measured probability.Bite24h48h72hLower riskRisk climbingHigher riskChance of transmissionLYME: MORE THAN 24H — IN MOST CASES
  • Lower risk — the first day
  • Risk climbing, then higher

The longer a tick stays attached, the higher the chance it passes something on.

Remove it promptly — and note how long it was there. Your clinician will ask.

Attachment-time threshold: US Centers for Disease Control and Prevention, How Lyme Disease Spreads (wording verified 2026-08-27). The curve shows direction only and carries no measured probability.

Tick-borne illnesses are usually treatable, and treated early they usually resolve. The danger is delay. Several of them — Rocky Mountain spotted fever most of all — get much more serious over a matter of days, which is why clinicians start treatment on suspicion instead of waiting for a laboratory result. If any of the following applies to you, be seen today. You do not need to be certain, and you do not need to have found a tick.

Get seen immediately if you have

Any single one of these is reason enough. They are not ranked, and this is not a checklist to score yourself against.

  • High fever with severe headache after a tick bite or outdoor exposure

    Especially within two weeks of a bite. Rocky Mountain spotted fever and other rickettsial illnesses can escalate quickly, and clinicians treat on suspicion rather than waiting for test results.

  • A rash that starts on wrists or ankles and spreads inward

    This distribution is characteristic of Rocky Mountain spotted fever. A spotted or pinpoint rash appearing alongside fever is a late sign, not an early one — do not wait for it before seeking care.

  • Confusion, disorientation, severe neck stiffness, seizure, or new weakness

    Signs the nervous system may be involved. Powassan virus and neurological Lyme can both present this way, and encephalitis is a medical emergency regardless of cause.

  • Fainting, chest pain, shortness of breath, or a very slow or irregular heartbeat

    Lyme carditis can disturb the heart’s electrical conduction. It is uncommon, treatable, and dangerous if ignored.

  • Air hunger, drenching sweats, or dark urine with severe fatigue

    Can indicate severe babesiosis with red-blood-cell destruction, particularly in people without a spleen, who are immunocompromised, or who are older.

  • Swelling of the face, lips, tongue or throat, or difficulty breathing after eating

    Anaphylaxis, which can occur with alpha-gal syndrome hours after eating mammalian meat. Use an epinephrine auto-injector if one has been prescribed, then call emergency services — even if symptoms improve.

  • Any suspected tick-borne infection during pregnancy

    Do not wait to see whether symptoms settle. Contact your obstetric provider or urgent care the same day.

This list is not exhaustive. Trust your judgement. If you feel severely unwell and something is clearly wrong, that is reason enough to be seen, whether or not it appears above.

What to tell the clinician

Tick exposure changes what a clinician looks for and what they treat empirically, and it is the detail most often left out. Say it early and say it plainly — bring this list with you if it helps.

  • That you were bitten by a tick, or were somewhere ticks live — even if you never saw one. Most people with tick-borne illness never find the tick.
  • When the bite or the exposure happened, as precisely as you can.
  • Where you were geographically. Which illnesses are plausible depends heavily on region.
  • How long the tick was attached, if you know, and whether you still have it.
  • When each symptom started, and which came first.
  • Whether you have had a fever, and how high.
  • Every medication and supplement you take, including anything you started recently.
  • Whether you have had your spleen removed, are immunocompromised, are pregnant, or are being treated for cancer.
If you still have the tick: Keep it in a sealed bag or container and take it with you. Identifying the species tells the clinician which illnesses are plausible. Do not delay care to find it.

Removing a tick, and the month after

If the tick is still attached, take it off now — do not put that off until someone can do it for you. Removing it promptly matters more than removing it perfectly.

  • Grasp it as close to the skin as you can — clean fine-tipped tweezers are best, ordinary tweezers or your fingers will do.
  • Pull steadily away from the skin, without twisting or jerking. If the mouthparts break off and will not lift out easily with tweezers, leave them alone — skin pushes them out as it heals.
  • Clean the bite and your hands with soap and water, rubbing alcohol, or hand sanitizer — then check the rest of your body. Where there was one tick there may be another.
No heat, no nail polish, no petroleum jelly. Folk methods meant to make a tick let go can agitate it and force infected fluid into the skin. Pull it out instead. The prevention & safe removal guide covers the full technique and the tools worth keeping at home.

Afterwards, three small things do most of the work: write down today’s date and — if you know it — how long the tick was attached (the graphic at the top of this page is why that number matters); keep the tick, as above; and watch the skin over the coming weeks. The expanding rash that can follow a bite most often appears 3 to 30 days later — on average around a week, per the CDC — which is long after most people have stopped thinking about it.

Want us to remind you to check?

A month is a long time to keep checking on your own. We’ll email you three times — around day 7, day 14 and day 30 after today — because that brackets the window when a rash would actually appear. No account, nothing to install.

Reminders are not switched on in this build yet — the sending half is not configured, so nothing here collects an address until it is.

Everything here is general educational information about tick-borne illness. It cannot diagnose you, cannot rule anything out, and is not a substitute for assessment by a clinician who can examine you. When in doubt, be seen.

Not an emergency? The treatment protocols reference explains how each tick-borne disease is typically treated and why, and the education library covers identification, prevention and what to expect.