PANS (Pediatric Acute-Onset Neuropsychiatric Syndrome) and PANDAS (Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal Infections) are conditions defined by the sudden, dramatic onset of neuropsychiatric symptoms. Families often describe overnight changes—children who were previously stable suddenly developing OCD, tics, anxiety, emotional volatility, regression, eating restrictions, sleep disturbances, or severe behavioral shifts.
These conditions occur when an infection or environmental trigger activates the immune system abnormally, creating inflammation in the brain and disrupting neurological function. While strep is the classic trigger in PANDAS, many other microbes—including mycoplasma, Lyme, Bartonella, and viruses—can cause the abrupt neuropsychiatric symptoms seen in PANS.
Effective PANS and PANDAS treatment requires more than managing outward behaviors. It demands identifying the deeper infectious, immune, toxic, and stress-response drivers that are inflaming the brain and destabilizing the nervous system. When these root causes are addressed, meaningful and lasting healing becomes possible.
Understanding PANS and PANDAS
Defining the Conditions
PANS and PANDAS share overlapping features, but understanding their distinctions is key:
- PANDAS is specifically triggered by group A streptococcal infection and involves autoimmune activation against neuronal tissue.
- PANS includes a broader range of infectious and environmental triggers that cause sudden neuropsychiatric symptoms.
Common triggers include:
- Strep (classic for PANDAS)
- Mycoplasma pneumoniae
- Lyme disease
- Bartonella
- Viruses such as influenza, EBV, or COVID-19
How the Immune System Affects the Brain
The neurological symptoms of PANS/PANDAS arise from very real biological mechanisms:
- Microglial activation: the brain’s immune cells become inflamed and overactive.
- Cytokine-driven neuroinflammation: inflammatory molecules interfere with neurotransmitter function and behavior regulation.
- Autoantibodies targeting neuronal tissue: the immune system mistakenly attacks regions of the brain responsible for emotion, movement, and cognition.
- Blood-brain barrier disruption: inflammation weakens this protective barrier, allowing immune factors to affect brain tissue directly.
Common Symptoms Seen in PANS/PANDAS
While every child presents differently, hallmark symptoms include:
- OCD and intrusive thoughts
- Motor or vocal tics
- Separation anxiety, panic, generalized anxiety, irritability
- Emotional dysregulation, including crying spells or sudden mood shifts
- Rage episodes, aggression, or oppositional behaviors
- Sleep disturbances (difficulty falling or staying asleep)
- Urinary frequency or new nighttime accidents
- Sensory sensitivities (to noise, clothing, touch, or light)
- Eating restrictions or ARFID-like symptoms, often tied to contamination fears, sensory issues, or nausea
Why PANS/PANDAS Is Often Missed
Despite the dramatic onset, PANS and PANDAS are frequently overlooked in conventional medicine for several reasons:
- Symptoms mimic psychiatric disorders, such as OCD, ADHD, anxiety, depression, oppositional behaviors, or autism spectrum features.
- Clinicians may be unfamiliar with immune-mediated neuropsychiatric syndromes, leading to misdiagnosis.
- Many children receive psychiatric medications without evaluation for infectious or immune triggers, delaying proper treatment.
- Standard testing does not always identify the underlying infection, especially when dealing with stealth pathogens or past exposures.
Diagnostic Approach of a PANS and PANDAS Treatment Expert
Comprehensive History and Symptom Timeline
Evaluation begins with understanding the full story behind the child’s symptoms:
- Onset pattern—sudden, overnight, or following illness
- Identifiable triggers (infection, stress, mold exposure)
- Past infections, antibiotic history, environmental exposures
- Prior psychiatric or behavioral diagnoses
- Patterns in flares, regressions, and recovery periods
Physical Exam and Neurological Evaluation
A thorough exam includes assessment of:
- Motor and vocal tics
- Muscle tone and coordination
- Sensory sensitivities
- Gait abnormalities
- Reflexes and neurological function
- Signs of autonomic instability, such as dizziness or heart rate variability
Laboratory Testing
Comprehensive testing is essential to uncover immune, microbial, and inflammatory drivers:
- Strep titers: ASO and Anti-DNase B
- Mycoplasma titers
- Lyme disease and tick-borne coinfection panels
- Viral panels (EBV, HHV-6, influenza, COVID-related)
- Mold and biotoxin markers
- Autoimmune panels assessing neuronal antibodies
- Inflammatory biomarkers:
- C4a
- TGF-β1
- MMP-9
- VEGF
- ECP
- hs-CRP
- Immunoglobulin levels to assess immune competency
- Vitamin D ratios to evaluate immune dysregulation
- ANA and other autoantibodies
Differential Diagnosis and Coexisting Conditions
A PANS/PANDAS expert considers other conditions that may overlap or mimic symptoms:
- Hashimoto’s encephalopathy
- Autism with immune or inflammatory dysregulation
- Mast cell activation syndrome (MCAS)
- Dysautonomia and POTS-like symptoms
- Learning or attention difficulties exacerbated by neuroinflammation
Treatment Strategies Used by a PANS/PANDAS Expert
Treating the Underlying Infections
Addressing the microbial triggers driving immune activation is essential. Treatment is highly individualized and may include:
- Antibiotics targeted to strep, mycoplasma, Lyme disease, Bartonella, Babesia, or other bacterial triggers
- Herbal antimicrobials, which are often better tolerated and effective for chronic or coinfection-heavy cases
- Antiviral support when viral reactivation contributes to symptoms
Because these children are often sensitive and their nervous systems are already inflamed, treatment must be paced carefully to avoid overwhelming the immune system. Slow, steady progress allows the brain and immune system the time they need to recalibrate.
Modulating and Calming the Immune Response
In PANS and PANDAS, the immune system is not just fighting infection—it is reacting against the brain. Helping the immune system calm down and reorient its activity is critical for symptom relief.
Strategies may include:
- Anti-inflammatory support using natural compounds and carefully targeted supplements
- Immune modulators that rebalance immune activity without suppressing the system
- Approaches to reduce autoantibody activity, especially when the immune system is attacking neuronal tissue
- Therapies that support healthy microglial function, reducing neuroinflammation inside the brain
When the immune system is stabilized, children often become less reactive, less anxious, and more emotionally regulated.
Clearing Biotoxins and Reducing Inflammatory Load
Biotoxins produced by infections—and toxins from environmental exposures—can perpetuate immune dysfunction and worsen neurological symptoms. Clearing these toxins is a key pillar of recovery.
Common strategies include:
- Binders to remove mold toxins and microbial biotoxins from the body
- Sauna therapy and other detox-supportive methods to enhance toxin elimination
- Environmental cleanup for mold, especially when home exposure is driving symptoms
- Detoxification nutrient support (glutathione, antioxidants, methylation support)
- Addressing oxalates when relevant, as they can accumulate when detox pathways are impaired
Reducing inflammatory load allows the brain to heal more effectively and reduces frequency and intensity of flares.
Stabilizing and Rebalancing the Nervous System
Immune treatment alone cannot fully resolve PANS/PANDAS because the nervous system becomes deeply dysregulated during flares. Rebalancing the brain-body connection is essential.
This part of treatment often includes:
- Nervous system regulation strategies to calm hypervigilance and emotional reactivity
- Breathwork, grounding practices, and limbic retraining
- Strengthening sleep architecture, a critical component of neurological repair
- Tools for behavioral stabilization, helping children regain self-regulation
- Parent guidance so caregivers understand how to respond to flares and support healing at home
When the nervous system begins to stabilize, children become more resilient, symptoms become less explosive, and recovery accelerates.
Supporting Downstream Systems
PANS/PANDAS does not occur in isolation. Chronic immune activation impacts digestion, hormones, energy production, and overall resilience. Supporting these downstream systems ensures a more complete recovery.
Supportive therapies may include:
- Gut healing, which strengthens immune balance and reduces inflammatory triggers
- Hormone support when chronic stress or inflammation disrupts normal endocrine signaling
- Mitochondrial support to improve fatigue, stamina, and cognitive function
- Nutrition for immune and brain health, tailored to reduce inflammation and support restoration
A strengthened foundation makes the child less vulnerable to future flares.
Monitoring and Long-Term Management
PANS/PANDAS recovery requires ongoing care, especially for children with complex or chronic cases.
Long-term management includes:
- Regular follow-up appointments to track progress and adjust treatment
- Refining antimicrobial, immune, detoxification, and nervous system strategies based on response
- Biomarker monitoring to ensure inflammation is decreasing and immune balance is improving
- Ongoing parent education and collaboration, empowering families to support their child’s healing at home
With expert guidance, many children achieve significant recovery and regain stability in their emotional, cognitive, and physical health.
Begin Your Child’s Path Toward Restoration
PANS and PANDAS can transform a child’s life overnight—one day your child seems like themselves, and the next day everything has changed. The sudden onset of anxiety, intrusive thoughts, tics, rage episodes, eating restrictions, or emotional volatility can be terrifying for families who know something is wrong but cannot find answers.
At the Restorative Medicine Center, we go far beyond symptom management. We take the time to understand the complete picture: the infections that may be triggering the immune system, the toxins and biotoxins that may be inflaming the brain, the immune patterns contributing to neuropsychiatric symptoms, and the stress physiology that shapes how your child’s nervous system responds.
If your child is struggling with sudden neuropsychiatric changes, emotional instability, behavioral shifts, or symptoms no one has been able to explain, you do not have to navigate this alone. When you work with a clinician who truly understands these syndromes, treatment becomes clearer, calmer, and far more effective.
Restorative Medicine Center
Dr. Teresa Birkmeier-Fredal, MD
705 Barclay Cir #115
Rochester Hills, MI 48307
Phone: 248-289-6349
Fax: 248-289-6923