What is the difference between Trelstar formulations?
Trelstar comes in three formulations. Your doctor will help you choose the one that is right for you. Trelstar 3.75 mg is given as an intramuscular injection once a month. The medication is released slowly into your bloodstream and keeps your testosterone levels low for the whole month. Trelstar 11.25 mg is given as an intramuscular injection every 3 months. It is also released slowly and keeps testosterone levels low for 3 months. Trelstar 22.5 mg is given as an intramuscular injection and keeps testosterone levels low for 6 months. It is also released slowly and keeps testosterone levels low until your next injection.