Positives

• One individual described the “great healing properties” of IVIg in their own Long COVID recovery, saying their fatigue and brain fog cleared over a few months on treatment, though they noted recovery timelines vary widely between patients Reddit.
  
  
• A patient described their own significant symptom improvement after IVIg, noting they felt the strong anti-inflammatory effect had helped modulate their immune symptoms Reddit.

Negatives

• One patient stopped IVIG after about ten months because the side effects weren’t worth it for a treatment they couldn’t tell was helping, and another reported that 15-20 infusions only marginally helped left-leg neuropathy with no other gains Phoenix Rising.
• A patient discussion titled “After IVIG getting worse” describes patients with delayed headaches, low-grade fever, chills, muscle pain and neck stiffness lasting roughly a week after each cycle, with one user saying flares became almost intolerable Phoenix Rising.

Hurdles & Side Effects

• One patient opted against IVIg due to its high cost, describing it as “really expensive,” which can be a significant barrier to accessing this treatment Reddit.