https://www.amazon.com/Chattanooga-Original-Hydrocollator-Therapy-HotPac/dp/B01ALJE8J8 (mirror) claims:

Benefits of moist heat therapy over dry heat are well established for pain relief due to arthritis, myofibrosis, back pain, muscle strains and spasms.

Has any scientific study confirmed that claim?

  • 1
    What exactly is "moist" heat? Like hot bath vs heat pack? Just the presence of water?
    – user11643
    Jul 12, 2020 at 2:15
  • Since arthritis is an inflammation and leads to warmth of the affected joint, surely cooling is required, not heat at all. ?
    – Nigel J
    Aug 7, 2020 at 11:11


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