Lyme Disease in Elderly Patients: Why Outcomes May Be Worse
Older adults may recover more slowly from Lyme disease
Age, symptoms, and delayed improvement may affect outcomes
Recognition and treatment remain important at every age
Lyme disease in elderly patients may present differently than in younger adults and may be associated with slower recovery. Researchers reviewed outcomes across age groups and found that older adults were more likely to experience less favorable treatment outcomes compared with younger patients.
The authors reviewed the records of 1,220 young, middle-aged, and elderly patients, comparing disease course and long-term outcomes for each group. Patients were treated at an outpatient clinic at the University Medical Center Ljubljana in Slovenia.
The study included 224 elderly patients, with 173 between 65–74 years old, 48 between 75–84 years old, and 3 patients who were 85 years or older. Older adults may present differently, and symptoms can overlap with common medical conditions or aging itself. Clinicians may need to consider broader presentations found in the Lyme disease symptoms guide.
Patients with an erythema migrans (EM) rash were treated for up to 14 days with doxycycline, amoxicillin, or cefuroxime. Individuals with multiple EM rashes were prescribed a 14-day course of intravenous ceftriaxone or doxycycline.
The outcomes for elderly patients were compared to those for middle-aged patients (45–66 years) and younger adults (18–44 years).
The authors found that older patients had slower resolution of erythema migrans and higher odds of an unfavorable treatment outcome.
At the 12-month follow-up visit, 7.8% of elderly patients had an incomplete treatment response, compared with 6.6% for middle-aged patients (n=627) and 3.7% (n=369) for younger patients.
“Up until now, information on the impact of age on the clinical course and outcome of early Lyme borreliosis was limited to one report from the U.S.,” the authors state.
The study also found that incomplete responses were more common among older adults, women, patients with multiple EM lesions, and individuals with constitutional symptoms associated with Lyme borreliosis.
Persistent fatigue, pain, or cognitive problems in older adults may overlap with presentations described in neurologic Lyme disease and other chronic manifestations.
None of the elderly subjects with post-Lyme borreliosis symptoms met the study criteria for post-Lyme disease syndrome because symptoms did not significantly reduce previous activity levels.
In other words, some older adults continued functioning despite persistent symptoms—an important reminder that functional status alone may underestimate illness burden. These issues overlap with discussions surrounding persistent Lyme disease symptoms and recovery expectations.
Recovery timelines vary considerably, especially among individuals with multiple symptoms or delayed diagnosis, emphasizing the importance of individualized approaches to recovery from Lyme disease.
Frequently Asked Questions
Does Lyme disease affect older adults differently?
Some studies suggest older adults may experience slower recovery and a higher likelihood of incomplete treatment response.
Can elderly patients recover from Lyme disease?
Many older adults improve with treatment, although recovery timelines and symptom resolution may differ from younger populations.
Why might Lyme disease outcomes be worse in elderly patients?
Age-related immune changes, comorbid conditions, delayed diagnosis, and symptom overlap with aging may contribute.
Can Lyme disease symptoms persist in older adults?
Some patients report ongoing symptoms despite treatment, although symptom severity and functional impact vary considerably.
Should persistent fatigue in an older adult raise concern for Lyme disease?
Persistent fatigue alone is nonspecific, but when combined with exposure risk, neurologic symptoms, pain, or prior rash history, Lyme disease may warrant consideration.
Clinical Takeaway
Older adults with Lyme disease may face slower recovery and higher rates of incomplete response compared with younger populations.
Persistent symptoms in older adults should be interpreted carefully, as ongoing functional ability does not always reflect symptom burden or recovery status.
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Explore related topics involving aging, diagnosis, and persistent symptoms:
Lyme disease mimics autoimmune disorder in elderly woman
Recovery from Lyme disease
Post-treatment Lyme disease syndrome
Delayed Lyme disease diagnosis
Lyme disease misdiagnosis
References
- Borsic K, Blagus R, Cerar T, Strle F, Stupica D. Clinical Course, Serologic Response, and Long-Term Outcome in Elderly Patients with Early Lyme Borreliosis. J Clin Med. 2018;7(12).
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 am in my mid seventies. I was diagnosed when I was about 64. I am still struggling with problems probably connected to Lyme.
You are not alone.
My 89 year old mother in law was diagnosed with Lyme disease about 2-3 weeks ago. She has been taking doxycycline/Hiclate 100 mg since July 30th. She is not eating at all. Does anyone know how long she can go without eating.
Should we take her off the medicine? To compound the problem she also has medium Alzheimers (or more).
There are other antibiotics that are easier on the stomach. I typically advise a reassessment to reexamine the plan to include an assessment of the risk of weight loss.
I have had Lyme for 4 yrs. Severe neuropathy was resolved as well as all but gastro symptoms which are intense. I am 77 yrs old.
I’ve had Lyme’s symptoms and physical limitations for over 30 years. Although I enjoy walking daily, limitations are increasing. Taking herbal remedies for babesia but have to wonder if it’s worth it.
I have found Malarone or Mepron quite helpful.
Healthy early senior collapses goes to ER. Double Pneumonia. Enlarged Heart. Lung nodule.
Active Lyme. Four months later aching joints, headaches, bones, memory loss, declining in health. Repeat in pneumonia. Internist says old age. Arthritis. Of course you feel bad. Why can’t I get my husband’s dr to hear us here in VA? It’s Lyme! Help?!
I have had lyme for 6 yrs & only recently learned I have Bartonella & Babesia