Do not use Sensifirm if any of the following apply:
If you have an active implant, such as a pacemaker or diabetic pump, or if you have any known severe heart disorder, such as arrhythmias.
If you are pregnant or breastfeeding.
If you suffer from severe or uncontrolled endocrine or metabolic conditions, such as diabetes or uncontrolled thyroid disease.
If you have a damaged immune system or autoimmune disorder, such as AIDS or Lupus, or if you use drugs that influence the immune system.
If you suffer from blood clotting disorders, excessive bleeding or bruising, damaged wound healing or if you routinely take blood-thinning medication.
If you suffer from a history of deep vein thrombosis.
If you have a history of collagen disorders, or suffer from keloid scarring (growth of extra scar tissue where the skin has healed after an injury).
If you have a general extreme illness, such as hepatitis, liver disease or epilepsy.
If you suffer from sensitive or damaged skin such as in cases of frequent redness or rash, inflammations, breakouts (such as psoriasis), blisters, sores, infections, acne or extra dry skin.
If you have diminished or exaggerated perception of temperature change.
If you have taken prescribed Acne medication in the past 6 months.
If you have a heat-induced disease or an active skin disease, such as herpes, eczema, rashes, etc., in the treatment area.
If you have skin cancer, areas at risk of malignancy, or if you have received radiation therapy or chemotherapy within the past 3 months.