Long-Term Effects of Lyme Disease in Children
Most children recover completely after Lyme disease.
Some experience persistent fatigue, pain, or cognitive symptoms.
Early recognition and careful follow-up remain important.
Long-term effects of Lyme disease in children can include persistent fatigue, pain, headaches, dizziness, and cognitive difficulties. Although most children recover fully after treatment, some continue to struggle for months or longer.
Some of the most severe cases I have seen began during childhood but were overlooked for years. Parents may report that their child’s symptoms started after a tick bite or an unexplained summer illness, yet the fatigue, pain, or cognitive problems did not go away.
Some children are told that their symptoms are caused by anxiety, growing pains, school stress, attention-deficit/hyperactivity disorder, or depression. Others may be suspected of exaggerating their symptoms. By the time Lyme disease is considered, the illness may have significantly disrupted the child’s education, activities, friendships, and family life.
Why Lyme Disease in Children Can Be Missed
Lyme disease can be difficult to recognize in children because its symptoms may resemble common childhood complaints or other medical conditions. Children may not remember a tick bite, and an erythema migrans rash may be absent, overlooked, hidden beneath clothing or hair, or mistaken for another skin condition.
Symptoms may include:
- Joint or muscle pain
- Persistent fatigue
- Headaches
- Abdominal pain
- Brain fog or trouble concentrating
- Memory difficulties
- Behavioral changes or mood swings
- Dizziness or symptoms resembling orthostatic intolerance or POTS
- Declining school performance
- Difficulty participating in sports or social activities
These symptoms may be attributed to school stress, hormonal changes, anxiety, or normal childhood development. However, persistent or worsening symptoms deserve further evaluation, particularly when there has been possible tick exposure or an unexplained illness during tick season.
Parents and clinicians can learn more about the broader presentation of Lyme disease in children, including symptoms that may differ from those commonly recognized in adults.
Can Lyme Disease in Children Become Chronic?
Not every child with Lyme disease develops long-term symptoms. Most children recover after diagnosis and antibiotic treatment. However, some experience persistent or recurrent symptoms that continue for six months or longer.
Problems reported after Lyme disease may include fatigue, musculoskeletal pain, headaches, sleep disturbances, cognitive difficulties, dizziness, and reduced physical endurance. These symptoms can interfere with school attendance, learning, exercise, friendships, and ordinary family activities.
The term chronic Lyme disease is used differently by patients, clinicians, and researchers. It may refer to symptoms associated with a delayed diagnosis, ongoing symptoms following treatment, suspected persistent infection, or a complex illness involving several contributing factors.
Persistent symptoms do not automatically establish that an active infection remains. However, they do establish that the child continues to suffer and deserves a careful medical evaluation rather than having the symptoms dismissed.
Other tick-borne infections may also complicate the clinical picture. Babesiosis, anaplasmosis, ehrlichiosis, and other infections can produce overlapping symptoms and may require different testing and treatment. Their relevance should be assessed according to the child’s symptoms, exposure history, examination findings, and laboratory results.
I have cared for children who once thrived but later became too fatigued to attend school consistently. Others developed pain, headaches, dizziness, or cognitive problems that prevented them from participating in sports, completing schoolwork, or spending time with friends.
When Lyme disease is recognized early and treated appropriately, many children recover fully. When symptoms continue, follow-up is important so that ongoing medical, neurologic, cognitive, sleep-related, and functional problems can be identified and addressed.
Research on the Long-Term Effects of Lyme Disease in Children
Parents often ask, What are the long-term consequences of Lyme disease in children? Although most children recover fully following treatment, research shows that some experience symptoms that persist for six months or longer.
A 2024 study by Monaghan and colleagues evaluated 102 children who had been diagnosed with Lyme disease between six months and 10 years before enrollment. Most parents reported that their child’s symptoms eventually resolved completely. However, 22% reported at least one symptom lasting longer than six months.
Thirteen percent of the children had persistent symptoms without functional impairment, while 9% had persistent symptoms accompanied by functional impairment and met the study criteria for post-treatment Lyme disease syndrome. Children with functional impairment had lower physical quality-of-life scores and were more likely to experience significant fatigue.
Importantly, most children in the study experienced full resolution of their symptoms, including some who had initially met criteria for post-treatment Lyme disease syndrome. These findings provide families with reason for hope while also confirming that recovery may take longer for some children.
Earlier research also documented persistent symptoms following pediatric Lyme disease. A 2001 study by Vazquez and colleagues reported that approximately 25% of the children evaluated developed symptoms such as fatigue, musculoskeletal pain, or neurocognitive complaints that persisted for six months or longer after treatment.
A 1998 study by Bloom and colleagues described abnormalities involving verbal memory, processing speed, and attention in children following classic manifestations of Lyme disease.
Recent pediatric reviews emphasize that Lyme disease can produce varied and sometimes nonspecific manifestations. Bahadori and colleagues noted that limitations in available diagnostic testing can make the evaluation and management of suspected Lyme disease in children challenging.
Neurologic presentations may also differ between children and adults. Bruinsma and colleagues reported that children with Lyme neuroborreliosis commonly present with facial nerve palsy, subacute meningitis, or headache. Fatigue, reduced appetite, and mood changes may also occur, particularly in younger children.
Sood reviewed the diagnosis, manifestations, treatment, and prognosis of Lyme disease in children and noted that the prognosis is excellent in most pediatric patients. Nevertheless, certain neurologic and disseminated presentations require prompt recognition and appropriate management.
These studies do not establish that every persistent symptom is caused by an ongoing infection. However, they demonstrate that some children experience clinically meaningful fatigue, pain, cognitive complaints, or functional impairment following Lyme disease.
The findings highlight the importance of early recognition, appropriate treatment, and continued follow-up when a child does not return to their previous level of health.
Why Lyme Disease Testing May Not Provide an Immediate Answer
Laboratory testing can support a Lyme disease diagnosis, but test results must be interpreted according to the stage of illness and the child’s clinical presentation. Antibody tests may be negative early in the infection before the immune system has produced a detectable response.
Physicians should consider the child’s symptoms, physical examination, exposure risk, timing of illness, and test results together. Learn more about why early Lyme disease tests may be negative.
A negative test does not mean that every child with nonspecific symptoms has Lyme disease. It does mean that early testing has limitations and should not be interpreted without considering the full clinical picture.
A Parent’s Role in Recognizing Persistent Symptoms
Parents are often the first to recognize when something is not right. If your child is not recovering after an illness, seems unusually tired, struggles with unexplained pain, or develops changes in mood, behavior, or school performance, Lyme disease may warrant consideration—particularly if your family lives in or travels to an area where ticks are common.
A child does not have to remember a tick bite for Lyme disease to be possible. Likewise, an early blood test does not always exclude the diagnosis. Clinical history, examination findings, exposure risk, and laboratory testing all contribute to the evaluation.
When symptoms persist despite treatment or the diagnosis remains uncertain, additional evaluation may be appropriate to look for complications, other tick-borne infections, or unrelated medical conditions that could explain the child’s symptoms.
Families may also benefit from learning about PANS and PANDAS associated with Lyme disease when abrupt or prominent neuropsychiatric symptoms are part of the clinical picture.
What Parents Can Do
- Trust your observations if your child is not returning to their usual level of health.
- Keep a record of symptoms, including fatigue, pain, headaches, dizziness, sleep problems, and changes in school performance.
- Discuss Lyme disease with your healthcare provider even if no tick bite was recognized.
- Ask whether other tick-borne infections should be considered based on your child’s symptoms and exposure history.
- Seek further evaluation when symptoms continue, worsen, or are not adequately explained by another diagnosis.
“Some of the most severe Lyme disease cases I have seen began during childhood but were overlooked for years.”
Frequently Asked Questions
Can Lyme disease in children cause long-term effects?
Yes. Most children recover completely, but some experience fatigue, pain, headaches, dizziness, or cognitive symptoms lasting longer than six months. In a 2024 pediatric study, 22% of children had at least one persistent symptom, including 9% who also experienced functional impairment. Many affected children eventually recovered fully.
Can Lyme disease become chronic in children?
Some children experience persistent symptoms following Lyme disease. The term chronic Lyme disease is used in different ways and may refer to delayed diagnosis, symptoms continuing after treatment, suspected persistent infection, or several contributing health problems. Persistent symptoms do not necessarily prove that an active infection remains, but they deserve careful evaluation.
What are the long-term symptoms of Lyme disease in children?
Long-term symptoms may include fatigue, joint or muscle pain, headaches, brain fog, memory problems, difficulty concentrating, dizziness, sleep disturbances, reduced exercise tolerance, and problems with school attendance or performance.
Can children recover completely from Lyme disease?
Yes. Most children recover fully, particularly when Lyme disease is recognized and treated promptly. Recovery may take longer for some children, including those who experience symptoms for more than six months.
Clinical Takeaway
Most children with Lyme disease recover well. However, persistent fatigue, pain, headaches, dizziness, cognitive symptoms, or declining school function should not be dismissed simply because an initial course of treatment has been completed.
Children with ongoing symptoms may need additional evaluation for complications, other tick-borne infections, or unrelated medical conditions that could be affecting their recovery.
Early recognition, appropriate treatment, and careful follow-up offer children the best opportunity to return to their previous level of health and daily functioning.
Related Articles
Persistent Lyme Disease Overview
Lyme Disease Symptoms Guide
Recovery From Lyme Disease
Lyme Disease and Tick-Borne Co-Infections
References
- Shapiro ED, Gerber MA, Holabird NB, et al. Outcomes of children treated for Lyme disease. Pediatr Infect Dis J. 1998;17:264-268. PMID: 9818672.
- Bloom BJ, Wyckoff PM, Meissner HC, Steere AC. Neurocognitive abnormalities in children after classic manifestations of Lyme disease. Pediatric Infectious Disease Journal. 1998;17(3):189-196.
- Sood SK. Lyme disease in children. Infectious Disease Clinics of North America. 2015;29(2):281-294.
- Bruinsma RA, Zomer TP, Skogman BH, Boele van Hensbroek M, Hovius JW. Clinical manifestations of Lyme neuroborreliosis in children: A review. European Journal of Pediatrics. 2023;182(5):1965-1976.
- Monaghan M, Norman S, Gierdalski M, Marques A, Bost JE, DeBiasi RL. Pediatric Lyme disease: Systematic assessment of post-treatment symptoms and quality of life. Pediatric Research. 2024;95(1):174-181.
- Bahadori A, Ritz N, Zimmermann P. Diagnosis and treatment of Lyme disease in children. Archives of Disease in Childhood: Education and Practice Edition. 2023;108(6):422-428.
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
