Facial Nerve Dysfunction After Lyme Disease: What Persists
Facial weakness may not fully resolve
Symptoms can persist after treatment
Recovery is often incomplete
Facial nerve dysfunction Lyme disease can persist long after treatment, affecting both function and quality of life.
In one study, more than half of patients continued to experience facial nerve problems over a year after treatment.
This reflects a broader pattern seen in neurologic Lyme disease, where nerve-related symptoms may not fully resolve even after infection is treated.
Here’s what these cases reveal.
Persistent Facial Nerve Dysfunction After Treatment
Wormser and colleagues reported that 6 of 11 patients (54.5%) had ongoing facial nerve dysfunction an average of 13.1 months after treatment.
These symptoms were not minor and often affected daily activities.
This pattern is often missed because facial palsy is expected to fully resolve.
Instead, many patients experience prolonged or incomplete recovery.
Long-Term Complications Reported
Patients described a range of persistent symptoms:
- Facial weakness
- Eye dryness or tearing
- Difficulty speaking or eating
- Muscle tightness or abnormal movement
- Facial asymmetry
Some patients developed Bogorad’s syndrome (tearing while eating) and other forms of nerve misfiring.
These complications can significantly affect quality of life.
Facial Synkinesis and Aberrant Nerve Recovery
Facial synkinesis occurs when nerve fibers regenerate incorrectly after injury.
This leads to involuntary movements during voluntary actions.
For example:
- Eye closing when smiling
- Mouth movement when blinking
Synkinesis typically appears 3 to 4 months after nerve injury and may persist long-term.
Other Neurologic Complications
Lyme disease can also lead to less common facial nerve disorders, including hemifacial spasm.
In some cases, antibiotic treatment may both confirm and treat the underlying cause.
These findings highlight the importance of considering Lyme disease in unexplained neurologic symptoms.
Why Lyme Disease Should Be Considered in Facial Palsy
Studies suggest that 10% to 33% of acute peripheral facial palsy cases in endemic areas may be due to Lyme disease.
This percentage may be underestimated.
For this reason, clinicians should evaluate Lyme disease symptoms in any patient presenting with facial palsy.
Failure to recognize Lyme-related facial palsy can delay appropriate treatment.
Why This Matters
Facial nerve dysfunction after Lyme disease is not always temporary.
Persistent symptoms can affect speech, eating, eye comfort, and social interaction.
Understanding this helps set realistic expectations and guide follow-up care.
Clinical Perspective
Facial palsy in endemic areas should not be assumed to be idiopathic.
Lyme disease should be considered early, particularly before initiating corticosteroid therapy.
Early antibiotic treatment may reduce the risk of long-term complications.
Clinical Takeaway
Facial nerve dysfunction Lyme disease can persist for months or longer.
Screening for Lyme disease in patients with facial palsy is essential—especially in endemic regions.
Recognizing this pattern can improve diagnosis, treatment decisions, and patient outcomes.
Frequently Asked Questions
Can facial nerve dysfunction persist after Lyme disease?
Yes. More than half of patients in one study had symptoms lasting over a year.
What is facial synkinesis?
It is involuntary movement that occurs when nerve fibers regenerate incorrectly after injury.
Should facial palsy patients be tested for Lyme disease?
Yes, especially in endemic areas where Lyme disease is a common cause.
Does treatment prevent long-term complications?
Early treatment may reduce risk, but some patients still experience persistent symptoms.
Related Reading
- Neurologic Lyme Disease
- Steroids and Bell’s Palsy in Lyme Disease
- Bell’s Palsy in Children with Lyme Disease
- Pediatric Lyme Disease
References
- Wormser GP et al. Outcome of facial palsy from Lyme disease. 2018.
- Shokri T et al. Facial nerve disorders. 2020.
- LeWitt TM. Hemifacial spasm and Lyme disease. 2016.
- Ramsey DJ et al. Peripheral facial palsy outcomes. 2022.
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’ve seen where some doctors believe this could be helped by botox. What say you ?
I had Bell’s palsy, and tongue and jaw spasms, along with burning mouth, tooth, and gum pain. I finally realized I have trigeminal neuralgia. This is about 3 years after getting bitten by a black-legged deer tick, and contracting Lyme disease.
Welcome to the club. I dont know why the left side is more effected then the right, maybe because it’s the weaker side.
We need a cure!
I have tearing in my left biceps, pain in shoulder up to my neck, feels like radiculopathy, left cheek feels like it has cobwebs over it and occasional itchy eyes and itchy feet. The most recent symptom is De Quervains, a very painful condition that effect the thumb of either both hands, also more effected on the left side.
I wish someone could make sense of what it particular this disease is targeting so I can centralize the pain management process. Is it the nerves, the tendons, the root nerves, peripheral, small fiber nerves,
HEEELP!
Have facial nerve damage on face after 9 years of Lyme disease. Have gone to John Hopkins to Dr. Alcott and still live with this terrible desease.