Why Doctors Miss Lyme Disease: What Patients Should Know
Why do doctors miss Lyme disease?
Symptoms often don’t fit one diagnosis.
And testing may not confirm it early.
Why doctors miss Lyme disease is a question many patients ask after months—or years—of unexplained symptoms.
This question often comes up when patients feel something is wrong—but are told their symptoms don’t clearly point to a single diagnosis.
Investigators explored this issue by asking physicians to review a series of Lyme disease case presentations and determine whether they would include Lyme disease in their differential diagnosis.
Quick Answer: Why Do Doctors Miss Lyme Disease?
Doctors may miss Lyme disease because symptoms are variable, testing has limitations, and many clinicians rely on clear laboratory confirmation before making a diagnosis.
This can lead to hesitation when symptoms are nonspecific or do not match classic presentations.
What the Study Found
In the study, Lyme disease appeared on the differential diagnosis list in only 5 of 11 cases reviewed.
Only 2 cases were ultimately coded as Lyme disease.
Although the study was small, it highlights how diagnostic uncertainty may influence physician decision-making.
Types of Lyme Disease Cases Reviewed
The cases included a wide range of presentations:
- Classic erythema migrans rash
- Bell’s palsy following an insect bite
- Recurrent knee swelling
- Heart rhythm abnormalities
- Fatigue, headaches, memory issues, and anxiety
- Non-specific neurologic and musculoskeletal symptoms
Many of these cases reflect how Lyme disease can affect multiple systems and evolve over time.
Why Physicians Hesitate to Diagnose Lyme Disease
Physicians in the study described several reasons for hesitation:
- Reluctance to diagnose without clear laboratory confirmation
- Concern about mislabeling patients
- Fear of legal or documentation consequences
- Skepticism about non-traditional laboratory testing
Some physicians stated they would not diagnose Lyme disease unless they were “almost 100% certain.”
This cautious approach can delay diagnosis when symptoms are evolving or testing is inconclusive.
For more on this pattern, see Lyme disease misdiagnosis.
The Role of Testing Limitations
Another major factor is the reliance on laboratory testing.
Some physicians indicated they would not diagnose Lyme disease without positive test results—even when symptoms were suggestive.
However, testing may be less reliable in early disease or complex presentations.
Learn more in Lyme disease test accuracy.
Experience Influences Clinical Suspicion
Physicians who had prior experience with Lyme disease were more likely to recognize it.
Some cited personal or clinical exposure as a reason they considered Lyme disease more readily.
This suggests that familiarity with the disease plays a role in diagnosis.
Why Lyme Disease Challenges Traditional Diagnosis
Lyme disease does not always follow a predictable pattern.
Symptoms may shift, overlap with other conditions, and affect multiple organ systems.
This makes it difficult to fit into a single diagnostic category.
As discussed in why Lyme disease tests the limits of medicine, complex conditions often challenge standard diagnostic frameworks.
Clinical Perspective
This study reflects a broader issue in clinical medicine.
When symptoms are nonspecific and testing is imperfect, physicians may hesitate to commit to a diagnosis.
In Lyme disease, this hesitation can delay recognition and treatment—especially in patients without classic findings such as a rash or known tick bite.
Clinical Takeaway
Lyme disease may be missed when symptoms are variable and testing is inconclusive.
Recognizing patterns, understanding testing limitations, and maintaining clinical suspicion are essential to avoiding delayed diagnosis.
References
- Tulloch JS et al. GP coding behaviour for non-specific clinical presentations. BJGP Open. 2020.
Related Articles
- Doctors feel the frustration with Lyme disease
- Study shows doctors can misdiagnose Lyme disease
- Doctors misusing Lyme disease surveillance case definition
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 have had the medicine for Lyme disease three times. Each time it made a tick bite that was getting progressively ugly vanish.
I have had to stop going into the woods in back of my house.
The third time it was not my doctor but some clinic and I had to talk the doc into prescribing, then he wanted to prescribe one pill instead of the standard regimen, I had to explain how the disease hides by partly going dormant.
I am lucky I heard and read a lot about this disease before I had my problems, my sister has it, in later stages you can’t get rid of it.
I am sorry you and your sister are having such difficulties.
My sister also has Lyme disease and Dr’s in Nebraska don’t (at least a few years back) treat that here- they don’t believe it exists.
I, after taking immunizations for a gov job and going hiking in the mountains soon after, was then bit by something. A mostly red circular rash around it, white smaller interior. Maybe a 1 1/2 inch diameter.
A couple of months after the bite, that I presume was a tick- the thing was attached to me- I thought it was mud and pulled it off. However, my legs started to feel heavy and I felt as if I was dragging them along. I went to see my internal med Dr, who refused to give my a Lyme test. He said they don’t believe Lyme is in Nebraska. My sister got hers by the stream in her back yard, but I got mine in Colorado. He still wouldn’t listen to me. He refused to take any lab.
Now, my sis heard of it and said she insisted he provide the lab work. He refused, citing “it’s political “. I don’t know what that means, and he wasn’t telling me more.
The symptoms continued, I started having major cramps in my muscles, sometimes for hours (still true today-still no dx) and vomiting spells. That had never happened to me before. My sis had to go to Missouri for a dx and tx for years.
My sis went out and purchased the test kit and told me to take it to the lab, which I did- had the physician give it to them and prescribe it. He said the nurse would call w results when they came in. 3 weeks later, still no call, so I called the office. They said they lost it. No offer to retake or to refund fir the cost of it. It’s political alright- in their office.
I was studying nutrition so did a deep dive in foods that can heal the body. It took about 2.5 years to be able to walk freely, but theweakness and fatigue never went away.
I fell a couple times, torn muscles around my knee, finally agreed to a cortisone injection in my knee a year later, as no Dr would treat (I guess) bc I was uninsured.
I never realized the heart rhythm disturbances could be from Lyme. Mine came a couple years after the bite. Anxiety was out of this workd- I don’t usually suffer from that. Also, I was working and going to school, nearly full time each and driving 2.5 hrs 5 days a week. Crazy busy, trying to get help but nobody would.
Went back to Dr saying I really needed some help. He didn’t even look at me, he was mire interested in clearing pics off my phone so he could install an app and told ne to walk more. He wasn’t lustening- I couldn’t! But I wanted to.
Fast forward a couple years…I was working at my new FT job in Hospital and LTC when covid began. It got crazy fast. Staff left, Mgr left, I, as assist to Mgr, had to work 60-80hrs a week, a lot on my feet.
Progressively, the severe body pains set in, my legs developed such terrible cramps in my legs that I couldn’t get out of bed- terribly painful! I had to call my son to bring me a cane so I could use the bathroom. 2 days later, the next one froze up also.
I had gone to ED for the first, w no resolution except a possible infection in the veins, but while he said he should prescribe something for that, he only prescribed zorelto. I’m glad I questioned the 1,000 dollar med. I had paid for a week’s worth and went back to ask the nurse who was also attending that eve what she thought. She asked if a clot was dx. No, it wasn’t. She said she woukd advise against it.
As I waited the 30 days behind schedule my own dr had, I literally stood up from my sofa, lost my balance, tried to correct on one side and twisted my ankle all the way around- trimalleolar fx .
2.5 years fast forward…I still have significant pain and swelling in the joint. Bone pain (had an x-fix), metal plates which I seemed to be allergic to, so they were removed, some screws removed and the bone shaved down.
The crazy covid days didn’t help, but I believe my legs were still impacted by the stinking bite that nobody woukd treat. Still, I get terrible, terrible leg cramps. Why do they not take it seriously?
I reported various Lyme symptoms to 7 doctors spanning 5 years. Two used inferior (unethical tests, I believe) to rule out Lyme. I finally paid, out of pocket, $600 to Vibrant Labs (my blood was drawn by my local doctor and sent to their lab) and $400 doctor fee for interpretation (a total of $1000)! The results showed high zonulin, markers for a chronic inflammatory condition which I was diagnosed with, the crossing of the blood brain barrier and many additional problems. The test showed 14 tick borne pathogens identified as severe or moderate and 42 tickbourne pathogens rated as under control. Interestingly, many of the 42 “controlled” pathogens were in the 8 or 9 range where 10 indicates as problematic and indicative of Lyme disease. I also have a raging E Barr infection, numerous mycotoxins and various resistant pneumonias. After taking antibiotics for 5 months, I now have leaky gut, also proven by the test. All this and I do not meet the CDC criteria for Lyme which is SHAMEFUL! I do meet the alternative Lyme criteria. I have been housebound since July 2021 with excruciating bodily pain and severe fatigue. I have 0 quality of life. I contacted every Communicable Disease Doctor I could find in St. Petersburg, FL and I was REFUSED TREATMENT even when I asked to be seen for the pneumonias and mycotoxins. I do not know how these doctors can legally refuse me treatment. Lyme patients are scorned, told they are liars through action by some doctors, ignored, and DENIED TREATMENT by mainstream medical establishment. I now have an invoice for $17,563 + for upcoming Lyme treatment that mainstream medical refuses to assist with. Naturally, I have had to refuse much of the medical treatment that my Lyme specialist has recommended for me. I will attempt to limit my bill to $10,000 which I still cannot afford! This is a horrific injustice to all Lyme patients.