Your child was fine two weeks ago. Now they are washing their hands until they bleed, refusing to eat certain foods out of fear, or having rages that do not match anything you have seen from them before. It came on fast, almost overnight, and nothing about it feels like your kid's usual personality. If a pediatrician has mentioned PANS or PANDAS, you are dealing with something real, and understanding what is happening in your child's body is the first step toward helping them.
What PANS and PANDAS Actually Are
PANS stands for Pediatric Acute-Onset Neuropsychiatric Syndrome. It describes children, typically between age three and puberty, who develop severe obsessive-compulsive behaviors, sudden restricted eating, or other significant neuropsychiatric changes with alarming speed, sometimes reaching full intensity within a day or two, often following an infection or a major stressor. PANDAS, short for Pediatric Autoimmune Neuropsychiatric Disorders tied to Streptococcal infections, is the strep-specific form of PANS. Every case of PANDAS falls under the broader PANS umbrella, though plenty of PANS cases have nothing to do with strep at all.
These conditions are more common than most parents realize, with estimates suggesting as many as 1 in 200 children may be affected, and studies suggest roughly 5 percent of children with OCD meet the criteria for PANS or PANDAS.
Signs Parents Notice First
What sets PANS apart from gradual onset OCD or anxiety is speed. Where typical OCD tends to build over months or years, PANS in children can hit full force within 24 to 48 hours. Along with sudden OCD behaviors or restricted eating, families often notice at least one or two of the following at the same time:
- Extreme separation anxiety or clinginess that appears suddenly
- A noticeable drop in handwriting or math skills
- New sensitivity to textures, sounds, or lights
- Tics, motor twitches, or involuntary movements
- Sudden bedwetting or daytime urinary frequency
- Sleep disturbances or night terrors
- Rage, aggression, or behavior that seems out of character
PANS often runs in an episodic pattern too, meaning signs can ease for a stretch and then flare again, which adds to how disorienting and exhausting the experience is for a family trying to make sense of it.
The Immune and Nervous System Connection
PANS involves both an acute trigger and an underlying pattern that makes a child susceptible to that trigger in the first place. A strep infection or another illness is often the event that sets off a flare, and researchers believe the immune system's response to that infection can, in some cases, affect brain regions involved in movement and behavior, producing a form of neuroinflammation. Other infections, including flu, Lyme disease, mycoplasma, and even a common cold, have been associated with flares as well, and environmental exposures may play a role too.
Underneath the acute trigger, many children with PANS show signs of a nervous system that was already carrying significant stress. The autonomic nervous system, which regulates heart rate, digestion, and immune activity, tends to run with the sympathetic, alert side overactive and the calming, parasympathetic side, driven largely by the vagus nerve, underactive. The vagus nerve does more than regulate heart rate and digestion. It also plays a role in calming inflammation and supporting emotional regulation, which are exactly the functions that come under strain during a PANS flare. This same underlying imbalance is part of why children with PANS are more likely than other kids to also develop POTS, a condition affecting heart rate and blood pressure regulation.
Why This Needs a Team, Not One Approach Alone
PANS is notoriously difficult to diagnose. There is no single blood test or scan that confirms it, and clinicians typically have to rule out other conditions first through a detailed history, physical exam, and lab work, sometimes including testing for recent strep exposure. Because of that complexity, care for PANS often involves several specialists working together, potentially including your pediatrician, immunology, rheumatology, neurology, and psychiatry. The conventional medical plan may involve psychiatric medication for OCD or mood symptoms, antibiotics to address an underlying strep or other infection, and in more severe cases, immune-modulating therapies directed by a specialist.
Our doctors see nervous system support as a piece of this team approach, working alongside your child's medical providers rather than replacing any part of that care. Addressing an active infection or an acute flare is medical care that belongs with your pediatrician and specialists. Supporting your child's underlying nervous system regulation is where our doctors can help.
How Our Doctors Support Your Child's Nervous System
Our doctors begin with a thorough history of your child, including pregnancy, birth, and early development, alongside the timeline of when signs first appeared. From there, INSiGHT neurological scanning measures thermal patterns, heart rate variability, and muscle tension along the spine, giving us objective information about how your child's nervous system is regulating stress rather than a guess. Using Koren Specific Technique and Talsky Tonal Chiropractic, our doctors use light, nervous system focused contacts aimed at easing tension patterns and supporting vagus nerve function, with the goal of helping your child's nervous system find its way back toward balance between flares.
What Parents Can Do Right Now
- Keep a simple log of when signs started, what came before them, and how they change over time, since this history is valuable for every provider involved
- Stay connected with your pediatrician and any specialists managing the medical workup and care plan
- Protect sleep and reduce unnecessary sensory or scheduling stress during a flare, since an already taxed nervous system has less capacity to cope with extra demands
- Give yourself grace. PANS is disorienting for the whole family, and finding answers often takes time
Where to Go From Here
If your child's sudden changes have you searching for answers, you are not imagining it and you are not alone. Learn more about how we support children with PANS and PANDAS, or download our free guide on the nervous system side of these conditions. When you are ready, book online with our doctors in Royal Oak, or call us at (248) 616-0900 to talk through what you are seeing.
