- Irregularities of heart rythm
- Heart attack post condition
- Past embolisms
- Circulatory insufficiency
- Severe illnesses of air-passages
- Unstable arterial hypertension
- Cancer
- Skin injuries
- Atherosclerosis
- Kidneys and bladder disorders
- Feverish condition
- Cold intolerance
- Hypersensivity / sense disturbances
- Frostbite
- Hyperthyroidism and hypothyroidism
- Diabetes
- Pregnancy
- Excessive perspiration
- Cryoglobulinemia
- Peripheral vascular disease

Do not enter. Consult your Doctor.