Sustain 250mg Injection is a medication utilized in the treatment of male hypogonadism cautilized due to low testosterone levels. It is only recommended to men with known medical conditions. It helps in restoring the level of testosterone in the male body. Sustain 250mg Injection is injected directly into the skin or muscles under the medical supervision of a doctor. The dose and how often you take the injection depends on what you are using it for. Your doctor will decide how much you need to improve your symptoms. You should take this medication for as long as it is recommended for you. The most common side effects of this medication include acne, breast enlargement in male, voice change, and injection site reactions (pain, swelling, 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 medication shortness of breath, frequent or persistent erections, and low sperm count.