Ear cones are not considered a medical device but a home remedy. No claim is made for the cure of any disease or ailment nor do we give any guarantee or assurance for the results of the use of this product. Some people report immediate relief from their symptoms while others experience no relief. Ear cones are not intended as replacement for profesional medical treatment. Ear cones should not be used on a perforated ear drum. The manufacturer and the vendor of this product do not assume any liability for the use of this product.