Quick answer
After a tick bite, remove the tick right away with fine-tipped tweezers and clean the area. On day 1, a small red bump like a mosquito bite is common and usually fades in a day or two; it is not a sign of Lyme. A Lyme rash, if it comes, usually appears 3 to 30 days later. Watch for a spreading rash or fever for several weeks.
- Remove an attached tick as soon as possible. Plain fine-tipped tweezers work well.
- A small bump or redness that shows up right away and fades within 1 to 2 days is common and is not a sign of Lyme disease.
- Early Lyme symptoms usually start 3 to 30 days after a bite. The erythema migrans (EM) rash shows up in about 70 to 80 percent of infected people, after about 7 days on average.
- Testing the tick is generally not recommended, and its results should not guide treatment.
How to remove a tick (CDC steps)
- Grab it close to the skin. Use clean, fine-tipped tweezers and grip the tick as close to your skin as you can.
- Pull straight out. Use steady, even pressure. Do not twist or jerk. If the mouthparts break off and stay in the skin, leave them if they do not come out easily; the skin usually pushes them out as it heals.
- Clean up. Wash the bite and your hands with soap and water, rubbing alcohol or hand sanitizer.
- Get rid of the tick. Put it in alcohol, seal it in a bag or container, wrap it tightly in tape, or flush it. Never crush it with your fingers.
- Check for more. Look over your body for other ticks.
Skip the folk remedies. CDC warns against petroleum jelly, nail polish, heat or other substances to make a tick let go, because they can irritate the tick and push infected fluid into the skin.
Write down the date and where you think you picked up the tick. CDC’s guidance for clinicians suggests saving the tick so it can be identified and its degree of engorgement (how swollen it is) checked, which helps estimate how long it was attached. Learn why that matters in how long a tick needs to be attached.
After a tick bite: a day-by-day timeline
Everyone is different, and most tick bites never lead to Lyme disease. This timeline shows what CDC describes as typical.
- Day 1A small red bump is common. Redness or a bump that looks like a mosquito bite often appears soon after a bite. It usually fades within 1 to 2 days and does not mean you have Lyme. Lone star tick bites can look red too, because that tick’s saliva can be irritating.
- Within 72 hours of removalThe 72-hour window. If you were bitten by a blacklegged tick in a high-risk area, this is when a clinician may consider a single preventive dose of an antibiotic (see below). Call your provider early if you think you may qualify.
- Days 3 to 30Watch for early Lyme signs. An expanding rash may appear at the bite site, most often around day 7. It can grow to 12 inches (30 cm) or more across and may or may not look like a target. Fever, chills, headache, fatigue, muscle and joint aches and swollen lymph nodes can happen with or without the rash. See Lyme disease rash pictures.
- Weeks to monthsLater signs if untreated. These can include new rashes elsewhere, facial drooping, severe headache and neck stiffness, joint pain and swelling, heart palpitations, and nerve pain or numbness. See Lyme disease symptoms and stages of Lyme disease.
Normal bite bump vs. a Lyme rash
| Normal bite reaction | Possible Lyme rash (EM) | |
|---|---|---|
| When it appears | Right away, soon after the bite | Usually 3 to 30 days later (about 7 on average) |
| What it does | Fades within 1 to 2 days | Spreads over several days |
| Size | Small, like a mosquito bite | Can reach 12 inches (30 cm) or more |
| Look | Small bump or patch of redness | Expanding redness; sometimes a target or bull’s-eye, often not |
If you are unsure, take a photo each day so you can show a clinician how it changed.
Preventive antibiotics after a tick bite
In some cases, a single dose of the antibiotic doxycycline may lower the chance of Lyme disease. According to CDC’s guidance for clinicians and the 2020 IDSA/AAN/ACR guideline, it may be considered when all of these are true:
- The tick was an adult or nymph blacklegged (deer) tick.
- The bite happened in a high-incidence state, or an area where more than 20 percent of ticks carry Lyme bacteria.
- The tick is estimated to have been attached for 36 hours or more, based on how engorged it was or how long you were likely exposed.
- The dose can be started within 72 hours of removing the tick.
- Doxycycline is safe for you.
The guideline does not recommend preventive antibiotics for low-risk or unclear bites; it suggests watching and waiting instead. This is a decision for you and your clinician, including for children and during pregnancy. We do not give doses here.
Should you test the tick or yourself?
CDC generally does not recommend sending a tick for testing. Tick-testing labs do not follow the same quality standards as clinical labs, a positive tick does not prove you were infected, and a negative tick can give false comfort if another tick bit you unnoticed. Symptoms would likely appear before results arrive anyway.
Testing your own blood right after a bite is not useful either. Antibodies take weeks to form, and the 2020 guideline recommends against testing people who have no symptoms after a bite. If symptoms appear later, read our Lyme disease test guide.
See a healthcare provider if you get a spreading rash, fever, chills, headache, fatigue or aches in the weeks after a tick bite. Tell them when and where you were bitten. Seek urgent care for facial drooping, heart palpitations, fainting, shortness of breath or a severe headache with a stiff neck.
We are collecting real experiences about what happened after a tick bite from people who have lived it, shared with their permission. As stories come in, they will appear here, clearly marked as personal experience rather than medical advice.
Not sure what kind of tick it was? Compare it with our tick pictures.
Frequently asked questions
What does a Lyme disease tick bite look like on day 1?
Usually just a small red bump or patch of redness, like a mosquito bite. That is a normal reaction and typically fades in 1 to 2 days. A Lyme rash does not usually appear until 3 to 30 days after the bite.
How soon after a tick bite do Lyme symptoms start?
Early symptoms usually begin 3 to 30 days after the bite. The rash appears after about 7 days on average.
Does every tick bite cause Lyme disease?
No. Only blacklegged ticks spread Lyme, many are not infected, and an infected tick usually needs to stay attached for many hours before it can pass the bacteria on.
Should I take antibiotics after a tick bite?
Only a clinician can decide. Guidelines say a single preventive dose may be considered within 72 hours for a high-risk bite: a blacklegged tick, attached an estimated 36 hours or more, in an area where Lyme is common.
What if part of the tick stays in my skin?
CDC says to remove the mouthparts with tweezers only if they come out easily. Otherwise, leave them and let the skin heal; it usually pushes them out.