Positives

• Patients who use phlebotomy employ preparation strategies such as aggressive hydration and electrolyte supplementation to manage recovery Mayo Clinic Connect.

Negatives

• Weekly induction-phase phlebotomy can drive patients into anemia and is often poorly tolerated — fatigue after each session is common, and the procedure has no role outside of documented iron overload Irondisorders.
• Therapeutic phlebotomy is a prescription procedure for specific iron-overload conditions; using it speculatively for Long COVID hyperferritinemia without confirmed overload risks iatrogenic anemia and offers no proven benefit PMC.

Hurdles & Side Effects

• ME/CFS patients report significant post-procedure side effects including post-exertional malaise and low back pain Reddit.
• Patients with ME/CFS note physical difficulties during the procedure such as “thick” blood that is hard to draw Mayo Clinic Connect.
• POTS patients express concern about the safety of blood removal given existing autonomic challenges Reddit.