All questions about ME/CFS and long COVID

Is it my fault, or theirs?

No. Nobody causes ME/CFS by being weak or unhappy, and nothing you did caused it.

The full answer, with the sources, is in the guide.

Sources

• NHS: Myalgic encephalomyelitis or chronic fatigue syndrome (ME/CFS), overview
• Kool et al.: Social support and invalidation by others contribute uniquely to the understanding of physical and mental health of patients with rheumatic diseases (Journal of Health Psychology)
• US Centers for Disease Control and Prevention (CDC): ME/CFS basics

Reviewed 2026-11-09 · next review 2027-11-09