I have use Thermacare wraps for years and never had a problem with them and love them for the aches and pain. Also use Icy Hot roll on.

I think the concern is that you will use them and not seek more adequate conventional medical care maybe self diagnose and miss something important.

I’ve been using them for years...them and
aspercreme.

It could also cause a possible reaction to the skin with the meds that are being tsken