If you have symptoms of erectile dysfunction (i.e. inability to achieve an erection that is sufficient for sexual intercourse), consult your physician prior to using this device to avoid a potentially harmful delay in diagnosing any of the most common causes of this condition, such as diabetes, multiple sclerosis, cirrhosis of the liver, chronic renal failure, or alcoholism. This pump is not intended for medical use. It has not been clinically tested nor is it approved. Use of this product is done at your own risk. This is a recreational device and is not empirically validated.