∙ Pregnancy
∙ Blood clot(s)
∙ Diabetes
∙ Neuropathy
∙ Inflammatory skin conditions
∙ Autoimmune condition (MS, Lupus, RA, etc.)
∙ Open wounds or sores
∙ Peripheral vascular disease
∙ Hypotension or Hypertension
∙ Heat sensitivity
∙ Cancer (with or without treatment)
∙ Compromised immune system
∙ Varicose veins
∙ Edema or Lymphedema
∙ Under the influence of drugs or alcohol
∙ Cardiovascular disease