Testospray 12.5mg Spray is a medicine used in the treatment of male hypogonadism caused due to low testosterone levels. It is only prescribed to men with known medical conditions. It helps in restoring the level of testosterone in the male body. Testospray 12.5mg Spray is for external use only. It should be applied on arms and shoulder once a day, preferably at the same time every day. It should be used as your doctor's advice. You should use this medicine for as long as it is prescribed for you. Do not use the gel too often and avoid applying it over the genital area. The most common side effects of this medicine include acne and application site reactions (burning, irritation, itching, and redness). If these bother you or appear serious, let your doctor know. There may be ways of reducing or preventing them. Some side effects may mean you should stop taking this medicine shortness of breath, frequent or persistent erections, and low sperm count. Before taking this medicine, tell your doctor if you have ever had high blood pressure, heart attack, or stroke. Your doctor should also know about all other medicines you are taking as many of these may make this medicine less effective or change the way it works. Your doctor might perform regular blood tests to keep track of testosterone, and prostate-specific antigen (PSA) levels.