Do Lyme Disease Prevention Methods Really Work? What the Evidence Shows
Do Lyme disease prevention methods actually work? Tick checks, repellents, and protective clothing are widely recommended—but the evidence supporting them is more limited and inconsistent than many expect.
For a broader overview of prevention strategies, see Lyme disease prevention: what works and what doesn’t.
Public health guidelines emphasize personal protective measures to prevent Lyme disease. But how effective are these strategies in real-world settings?
A systematic review suggests the evidence is limited.
What the Research Says About Prevention Methods
In the article “Interventions to prevent Lyme disease in humans: A systematic review,” Richardson writes that “the quality of evidence was low,” with only 1 to 3 studies per intervention and mixed results.
Personal protective measures include:
- Tick repellents and protective clothing: may reduce Lyme disease incidence (2 studies)
- Tick checks: mixed results for reducing Lyme disease risk (2 studies)
- Showering after exposure: may lower risk if done within 2 hours (1 study)
- Permethrin-treated clothing: may reduce tick attachment and crawling (1 study)
Environmental Prevention Strategies
Environmental interventions aim to reduce tick exposure around the home.
- Landscaping changes such as barriers, trimming, and fencing may reduce Lyme risk (1 study)
- Yard features like leaf litter, woods, and bird feeders may increase exposure (1 study)
- Tick spraying reduces tick presence, but its impact on Lyme disease incidence is mixed (3 studies)
Why Lyme Disease Prevention May Fall Short
The review highlights a key concern: many widely recommended prevention strategies are supported by limited or inconsistent evidence.
As the authors note, repellents and protective clothing may reduce risk, while tick checks show mixed effectiveness.
For more, see why Lyme prevention fails.
Clinical Perspective
Despite widespread recommendations, Lyme disease incidence continues to rise.
This suggests current prevention strategies may not be sufficient on their own.
Clinicians and patients should continue using protective measures—but also recognize their limitations.
Clinical Takeaway
Lyme disease prevention methods are widely used, but supporting evidence remains limited and inconsistent.
Because prevention methods are not always reliable, understanding what to do after a tick bite is critical. See what to do after a tick bite.
Related Articles:
Tick bite prevention methods in children
References:
- Richardson M, Khouja C, Sutcliffe K. Interventions to prevent Lyme disease in humans: A systematic review. Prev Med Rep. 2019;13:16–22.
Dr. Daniel Cameron, MD, MPH
Lyme disease clinician with over 30 years of experience and past president of ILADS.
Symptoms • Testing • Coinfections • Recovery • Pediatric • Prevention
I truly feel this article is too early. For most of the population, ticks are a “new” thing. Education efforts are really just starting. Do most people use bug spray, tuck in their pants, wear treated clothing and take a shower after being outside? No.
Do most people think it is something they should worry about? No.
To say that these measures may not be working is misleading. It should be focussed on whether or not people even think that ticks and Lyme are a risk to them.
Well stated.
In looking at the studies cited regarding vaccination (3.5), three of the authors including Wressnigg are employed by Baxter Bioscience, a research and development group for vaccine development. Isn’t that akin to putting a fox in the hen house?
i have started taking a garlic supplement, in order to repel ticks. Has anyone else tried this. I have had Lyme disease and do not wish to get it again.
Armed forces have used permethrin to prevent tick bites since 1991. The peak incidence of Lyme is age 5-15 and our children don’t put on DEET, won’t do tick checks, and walk anywhere they please. But they do wear clothing, which can be treated to disable/kill a tick within a minute. See how well it works – https://www.agemanagementboston.com/permethrin-kills-ticks-prevents-lyme-disease-summer-2018/
I got a tick bite in Highlands,NC. I had no caution. Very bad outcome.
So, yes, tick danger awareness is quite low.