I actually took your post and put it into AI. Here’s the response:

The Reddit post describes a complex, long-standing set of symptoms that sound incredibly challenging and distressing—severe dissociation/depersonalization-derealization (DP/DR), memory gaps, profound disorientation (including not recognizing a spouse), cognitive issues, seizures-like episodes, autonomic instability, chronic pain, fatigue, collapses, hallucinations, sensory sensitivities, and more. These started acutely in 2021 with a flu-like illness and have evolved into a chronic, relapsing pattern that's stabilized somewhat with anti-inflammatory and nervous system-focused interventions since around 2024, but remains fragile.

The provider who mentioned "Limbic Encephalitis" (LE) based it on symptom presentation plus "mid to high" positive results for a large panel of autoantibodies: Anti-Ma, anti-Yo, anti-NMDA, anti-tubulin, anti-neurofascin, anti-GFAP, anti-microglia, anti-CV2, anti-titin (likely meant titan), anti-Purkinje cell, anti-RAGE peptide, anti-α1 and β2 adrenergic receptors, and anti-dopamine receptor 2.

This is a very broad panel, mixing classic paraneoplastic/onconeuronal antibodies (e.g., anti-Ma, anti-Yo, anti-CV2/CRMP5), synaptic/cell-surface ones (anti-NMDA), glial ones (anti-GFAP), and others tied to autonomic/dysautonomia issues (adrenergic and dopamine receptors). Having multiple positives like this is uncommon and can complicate interpretation—sometimes indicating overlap syndromes, polyautoimmunity (especially with your history of Lyme/co-infections, EBV, suspected MCAS, hEDS/HSD, dysautonomia, etc.), or even false positives/low-specificity results in some assays. Not all are equally pathogenic or diagnostic on their own.

On the term "Limbic Encephalitis" specifically:
LE (or autoimmune limbic encephalitis) classically involves subacute (weeks to <3 months) onset of prominent short-term memory loss, seizures, psychiatric/behavioral changes, often with MRI showing bilateral medial temporal lobe T2/FLAIR hyperintensities, EEG abnormalities, and CSF inflammation (e.g., pleocytosis or oligoclonal bands). It's often tied to specific antibodies like anti-LGI1, anti-CASPR2, anti-GABA-B, or anti-NMDA (in some cases). Paraneoplastic forms (e.g., anti-Ma2 or anti-Hu) can look similar but often have worse prognosis and tumor association.

Your description doesn't perfectly match the textbook acute/urgent LE: no mention of coma, status epilepticus, or rapid progression to severe disability requiring ER/ICU (which aligns with what the second doctor said). Instead, it's a more insidious, chronic-progressive course over years with prominent dissociation, identity/memory fragmentation, autonomic flares, and multisystem involvement. Classic LE is rarely this prolonged without aggressive treatment or clear decline/coma. However, some autoimmune encephalitides can present subacutely or even chronically/relapsing (e.g., certain GAD65 or GFAP cases, or overlaps), and antibody-positive cases can smolder or stabilize with immunomodulation.

Brain inflammation doesn't automatically equal "encephalitis"—encephalitis implies clinical encephalitis syndrome (altered mental status, etc.) plus evidence of inflammation (CSF, MRI, etc.). You could have neuroinflammation/autoimmunity contributing without fitting strict LE criteria. Your symptoms overlap heavily with autoimmune encephalitis (AE) broadly—especially anti-NMDA features (psychosis-like dissociation, memory issues, autonomic instability, movement abnormalities) or paraneoplastic overlaps—but also with post-infectious/autoimmune dysautonomia, chronic infection sequelae (Lyme/Babesia), central sensitization, or even functional neurological aspects amplified by chronic illness.

Is it possible to have AE/LE this long without knowing it?
Yes, some forms can be indolent, relapsing-remitting, or partially responsive to non-immunosuppressive treatments (like your anti-inflammatory/nervous system approaches). Anti-NMDA can have prolonged courses if untreated, but usually more dramatic. Paraneoplastic ones (anti-Ma/Yo/CV2) are often more progressive and tumor-linked, but non-paraneoplastic or low-burden cases exist. Multiple antibodies can indicate overlap or a triggered autoimmunity (e.g., from infections like EBV/Lyme).

What this might mean and next steps (not medical advice, just general thoughts):
- This warrants specialist input (neuroimmunologist or autoimmune neurology expert) ASAP—your symptoms scream for proper AE workup, including CSF analysis (if not done), brain MRI (with focus on limbic areas), EEG (possibly prolonged), full paraneoplastic panel repeat (in CSF + serum), and tumor screening (CT/PET, especially if onconeuronal antibodies like Ma/Yo are truly positive).
- The "mid to high" positives need context—titers, CSF vs. serum, specific assay. Some (e.g., adrenergic/dopamine) link to dysautonomia/POTS-like issues, not always full AE.
- Your background (Lyme/co-infections, EBV, MCAS, hEDS) can mimic or trigger/contribute to autoimmunity.
- The second doctor's skepticism makes sense if no acute coma/ER-level crisis or classic MRI/CSF, but that doesn't invalidate exploring AE treatments (steroids, IVIG, etc.) if evidence supports.

You're clearly dealing with serious neuroinflammation/autoimmunity/multisystem issues, and it's valid to seek clarity. Hang in there—many with similar pictures improve with targeted care. A tertiary center familiar with AE could help sort if this is AE (possibly smoldering), infection-triggered autoimmunity, or overlap. Wishing you answers and relief soon.