Positives

• One person dealing with MCAS found that incorporating sauna therapy into their routine provided noticeable relief from symptoms, enhancing their overall well-being Reddit.
  
  
• In a comprehensive treatment journey, one individual with POTS highlighted sauna therapy as a valuable component that contributed to their symptom management Reddit.
  
  
• A patient with Lyme disease noted that sauna therapy played a role in their recovery, helping to alleviate persistent symptoms and improve their quality of life Reddit.
  
  
• For someone with Long COVID, sauna therapy was part of a broader treatment plan that helped them regain some level of normalcy and reduce the severity of symptoms Reddit.
  
  
• An individual with ME reported sauna therapy as beneficial, contributing to a gradual improvement in their condition over time Reddit.
  
  

Negatives

• One patient with ME/CFS described collapsing after a sauna session that ran too long and too hot, then sliding into PEM and a long stretch of relapse Phoenix Rising.
• A patient wrote that after buying a home infrared cabin every session ended with them in bed crashed for the following days, and described POTS-style heart palpitations when they tried multiple days in a row Phoenix Rising.

Hurdles & Side Effects

• A home infrared sauna typically runs $1,500-$8,000 to purchase and $3,000-$10,000 fully installed, putting it out of reach for many on disability income HomeGuide.
• Patients on heat-sensitive Long COVID with POTS overlap commonly report that vasodilation and fluid loss can drop blood pressure and trigger near-fainting, so sessions require pre-hydrating with electrolytes, short durations, and a careful cooldown to avoid making symptoms worse.