Dr. Daniel Cameron: Inside Lyme Podcast

Can Lyme disease cause cognitive dysfunction or dementia?

The question of whether Lyme disease could cause dementia was addressed by Wormser and colleagues in an article entitled “Lack of Convincing Evidence That Borrelia burgdorferi Infection Causes Either Alzheimer Disease or Lewy Body Dementia,” published in the journal Clinical Infectious Diseases.¹

The authors reviewed a paper by Gadila et al.² which concluded that a Lyme disease infection might cause Lewy body dementia. The case described a 69-year-old woman who died 15 years after her initial infection with Lyme disease with a clinical diagnosis of Lewy body dementia.

The woman had initially presented with an erythema migrans rash, headache, joint pain, and fever. Her symptoms resolved with 10 days of doxycycline.

Click below to watch a video discussing a case report on Lyme disease and dementia.

Over time, she developed a sleep behavior disorder, cognitive problems (processing speed, mental tracking, and word-finding), photophobia, paresthesias, fasciculations, and myoclonic jerks. She initially improved with IV followed by oral antibiotics. But her condition later worsened.

“The extensive workup at that time led to the diagnoses of both a REM behavioral disorder with verbalizations and movements and a neurodegenerative dementia characterized by expressive aphasia, visual agnosia, anomia, deficits in executive function and calculation, and mild memory problems.”

She passed away 15 years after the onset of her illness.²

An autopsy revealed the presence of Borrelia burgdorferi in the brain and spinal cord tissue of the patient.

The authors point out, “These results, however do not clarify whether the Borrelia infection had anything to do with her progressive neurodegenerative disorder.”

“Lewy body dementia is characterized by fluctuations in cognitive function, sometimes also with fluctuations in alertness and attention,” wrote Wormser et al.

The authors also added, “Patients with Lewy body dementia are easily distracted and can appear to be ‘zoning out’ at times. Impaired job performance is a common early sign, and patients with Lewy body dementia have problems with multitasking. Sleep disorders are common.”¹

No precise test can accurately diagnose Lewy Body Dementia (LBD). “Due to the incomplete specificity in the clinical diagnosis and the pathological definition of the disease, a postmortem biopsy or autopsy is the only method to secure a definite diagnosis,” explains Haider et al.³

Can Lyme disease cause dementia?

In their article, Wormser et. al conclude, “no convincing evidence exists that Lyme disease is a cause of either Alzheimer disease or Lewy body dementia.”

The authors expressed concern over the validity of laboratory testing, as it did not meet the CDC criteria and the temporary effectiveness of the antibiotic treatment prescribed. They also had reservations regarding the use of a nested PCR technique and the immunofluorescence antibody test.

“Cognitive complaints, such as concentration or memory disturbances, are common in patients with Lyme disease and in patients with residual subjective symptoms after treatment for Lyme disease,” Wormser et al. suggest.

“Dementia-like syndromes from Lyme disease occur as a consequence of the very rare late neurologic manifestation of Lyme disease referred to as chronic progressing meningoencephalomyelitis (also referred to as chronic encephalomyelitis).”

“Anecdotal evidence, however, does suggest that Lyme disease may rarely cause dementia.”¹

These dementia-like Lyme cases are primarily in Europe. “Thus, the few reported cases of dementia-like syndromes from Lyme disease are clinically very different from the Lewy body dementia case attributed to Lyme disease by Gadila and colleagues.”

The following questions are addressed in this Podcast episode:

1. What is Lewy body dementia?
2. How is Lewy body dementia diagnosed?
3. What findings in this patient suggested Lewy body dementia?
4. What cognitive problems have been described in Lyme disease?

Thanks for listening to another Inside Lyme Podcast. Please remember that the advice given is general and not intended as specific advice to any particular patient. If you require specific advice, please seek that advice from an experienced professional.

Inside Lyme Podcast Series

This Inside Lyme case series will be discussed on my Facebook page and made available on podcast and YouTube.  As always, it is your likes, comments, and shares that help spread the word about this series and our work. If you can, please leave a review on iTunes or wherever else you get your podcasts.

  1. Wormser GP, Marques A, Pavia CS, Schwartz I, Feder HM, Pachner AR. Lack of Convincing Evidence that Borrelia burgdorferi Infection Causes Either Alzheimer’s Disease or Lewy Body Dementia. Clin Infect Dis. Nov 29 2021;doi:10.1093/cid/ciab993
  2. Gadila SKG, Rosoklija G, Dwork AJ, Fallon BA, Embers ME. Detecting Borrelia Spirochetes: A Case Study With Validation Among Autopsy Specimens. Front Neurol. 2021;12:628045. doi:10.3389/fneur.2021.628045
  3. Haider A, Spurling BC, Sanchez-Manso JC. Lewy Body Dementia. StatPearls. 2022.

10 Replies to "Can Lyme disease cause cognitive dysfunction or dementia?"

  • Ysie
    09/12/2023 (10:33 am)

    Long time ago, I read that eating raw honey draws out lyme spirolytted,? that hide inside your organs, to fight vectors?

  • Julie Persse
    11/14/2022 (6:26 pm)

    Dr. Cameron,

    In your experience, what IV antibiotic (s) are best used for cognitive deficits from Lyme disease. I suffer from this myself and have always done IV ceftriaxone.

    Thanks in advance,

    Julie P

    • Dr. Daniel Cameron
      11/17/2022 (10:04 am)

      I have patients with cognitive issues who have benefited from oral antibiotics to conclude treatment for Babesia.

  • Bonnie Weaver
    02/15/2022 (2:09 pm)

    I was infected by ticks in France at the end of August 2013. I had an oval expanding rash. All I knew about was the bullseye rash so I thought I was OK. Please let people know that there are other Borrelia species that cause a version of Lyme Disease – different rash, different symptoms. We are too focused on North America. We should be told about Lyme disease in Europe. That way people will take precautions in Europe just like we do in Canada and the USA.

  • Rita Ramone
    02/15/2022 (7:29 am)

    Has Wormser ever treated an early Lyme patient? I was treated within 2 months of having been bitten by a tick. And, Dementia like symptoms were one of the first symptoms I had. Dementia and other mental issues did disappear after initial treatment. I don’t believe at all, in my case, that Dementia occurred because I failed an early treatment at the onset of this disease. However, other symptoms that lingered, we suspect, are due to having Babesia as well as Lyme and those are the symptoms that linger even though I was treated immediately for Lyme disease. There are no tests that show accurate Babesia results… or Lyme for that matter, perhaps Mr. Wormser has insight on that issue, accurate testing?

    • Dr. Daniel Cameron
      02/15/2022 (7:57 am)

      Dr. Wormser has focused his career on early Lyme disease. He has been seen as dismissive of chronic manifestation since publication of the IDSA Lyme disease treatment guidelines questioning the existence of Chronic Lyme as a distinct diagnostic entity and dismissing chronic Lyme disease as nothing more than the aches and pains of daily living. BTW, the tests for Babesia are not as reliable as we would like.

  • Thora Graves
    02/05/2022 (9:21 pm)

    I qualified for social security when I was 48 years old because of dementia caused by Lyme disease. My husband was my payee. I was examined by several doctors to qualify. I had encephalopathy.caused by Lyme disease.

    • Dr. Daniel Cameron
      02/06/2022 (1:31 pm)

      There is so little we know about cognitive issues in Lyme disease. It sounds as if you could not find any solution.

      • Julie Persse
        11/14/2022 (6:29 pm)


        I would like to hear more about your experience and tests done if you wouldn’t mind reaching out to me further. My email is jpersse1@yahoo.com.

        Thank you,

Join the Lyme Conversation
(Note: comments are moderated. You will see your comment after it has been reviewed.)

Some html is OK