The safest way to kill a tick is to drop it into rubbing alcohol, seal it in tape, or flush it down the toilet. But how you remove the tick matters just as much as how you kill it, because the wrong approach can actually increase your risk of infection. Here’s what to do from start to finish.
Remove the Tick First, Then Kill It
If the tick is attached to your skin, resist the urge to crush it in place. Squeezing a tick’s body can force its stomach contents into the bite wound, potentially pushing bacteria directly into your bloodstream. The goal is to get the tick out intact before you dispose of it.
Using clean, fine-tipped tweezers, grasp the tick as close to your skin’s surface as possible. Pull straight away from the skin with steady, even pressure. Don’t twist, jerk, or yank. If the mouthparts break off and stay in the skin, try to remove them with the tweezers. If you can’t get them out easily, leave them alone and let the skin heal on its own.
Methods That Actually Kill a Tick
Ticks are remarkably hard to kill. Their flat, tough bodies can survive being stepped on, and they won’t drown quickly in water. These methods work reliably:
- Rubbing alcohol. Drop the tick into a small container of isopropyl alcohol. This kills it within minutes and also preserves it if you want to have it identified later.
- Sealed tape. Fold the tick tightly inside a piece of clear tape. The pressure and lack of air will kill it, and the tape keeps it contained.
- Flushing. Drop the tick into the toilet and flush. Simple, but you lose the ability to identify the tick species afterward.
Do not try to crush a tick between your fingers. Their bodies are tough enough to survive it, and handling a live tick with bare hands creates unnecessary exposure to whatever pathogens it may carry.
Methods to Avoid
Several popular folk remedies are not just ineffective but actively dangerous. Holding a hot match to an attached tick, painting it with nail polish, or smothering it in petroleum jelly are all discouraged by the CDC and Mayo Clinic. The logic behind these methods is to irritate the tick into detaching on its own, but what actually happens is the tick may regurgitate its gut contents into your wound before letting go. That’s exactly the opposite of what you want.
The only safe removal tool is a pair of fine-tipped tweezers. Specialty tick-removal devices also work, but skip anything that involves heat, chemicals, or waiting for the tick to back out voluntarily.
Killing Ticks on Clothing and Gear
If you’ve been in tick habitat, your clothes can harbor ticks for hours. Tossing them in the washing machine alone won’t reliably kill ticks, because they can survive a full wash cycle, even in warm water. The key is heat, not water.
Put your clothes in the dryer on high heat for 10 minutes before washing them. Research from the University of Rhode Island found this is enough to kill all common tick species. If you have an electric dryer (which tends to run slightly cooler than gas models), add an extra 5 minutes to be safe. After the dryer cycle, wash and dry as normal.
Why You Might Want to Save the Tick
If you’re concerned about tick-borne illness, keeping the tick can help a doctor or lab identify the species and determine your risk. Not all ticks carry the same diseases. Blacklegged ticks (deer ticks) transmit Lyme disease. Dog ticks and Lone Star ticks carry different pathogens.
To save a tick for identification, place it in a small sealed bag or screw-cap container. Contrary to what you might expect, the Texas Department of State Health Services advises against preserving ticks in alcohol, formalin, or saline if you plan to submit them for testing. A dry, sealed container works best. Label it with the date and the location of the bite.
Timing Matters for Disease Risk
For Lyme disease specifically, an infected tick generally needs to be attached for more than 24 hours before it can transmit the bacteria. Removing a tick within that window greatly reduces your chances of infection. This is why prompt removal is more important than the kill method. A tick sitting on your skin for two days while you try to suffocate it with petroleum jelly is far more dangerous than one pulled off quickly with tweezers.
Other tick-borne illnesses have different transmission timelines. Some, like Powassan virus, can be transmitted in under an hour. So regardless of how long the tick was attached, pay attention to your body in the weeks following a bite.
What to Watch for After a Bite
After removing and killing the tick, clean the bite area and your hands with rubbing alcohol or soap and water. Then monitor for symptoms over the next few weeks. The most common signs of tick-borne illness include:
- Fever or chills, which can accompany any tick-borne disease
- Headache, fatigue, and muscle aches, which are common across multiple tick-borne infections
- Joint pain, which is particularly associated with Lyme disease
- A rash, which can appear with Lyme disease, Rocky Mountain spotted fever, ehrlichiosis, and other infections
The classic Lyme disease rash is a red, expanding circle that sometimes looks like a bull’s-eye, but it doesn’t always take that shape and it doesn’t appear in every case. Any unexplained rash near the bite site within a few weeks warrants medical attention. If you saved the tick, bring it with you to your appointment.