Immune dysregulation and chronic inflammatory signaling
Post-infectious immune responses & persistent immune activation
Gut microbiome changes and intestinal barrier function
Autonomic nervous system dysfunction and stress physiology
Nutrient deficiencies, hormonal changes, and overlapping medical conditions
Coexisting autoimmune and digestive conditions
Persistent fatigue or reduced stamina despite adequate rest
Brain fog, memory difficulties, or trouble concentrating
Muscle and joint pain, stiffness, or widespread discomfort
Digestive disturbances, food intolerances, or changes in bowel habits
Dizziness, palpitations, temperature sensitivity, or orthostatic symptoms
Post-exertional symptom worsening, fluctuating symptoms, or difficulty recovering from activity