I'm 18 and active in sports and i have dislocated my shoulder, should i get surgery?

Maybe: If this is the first time you dislocated your shoulder, surgery is usually not the first treatment (except in certain circumstances like being in the military or a high-level collegiate or professional athlete, or if you have a more severe injury to the joint with loss of bone). Most shoulder dislocations can be successfully rehabilitated. Surgery is generally reserved for repeat dislocators.

Probably: Most studies that look at results of treating patients like you with early effective modern arthroscopic techniques vs. Watchful waiting find the surgically treated patients return to higher function and have lower recurrence. Playing can also worsen injured shoulders...Learn more: http://www.Theshouldercenter.Com/shoulderpain/2012/shoulder-surgery/playing-can-worsen-already-damaged-shoulders/.

Generally, yes.: Usually people your age and activity level, will have a 90% chance of dislocating repeatedly, so surgical stabilization is a reasonable option to consider.

Depends: It depends in part on the specific nature of injury and recovery. Which is to say that there are people who have a first time dislocation and go on to heal and never have anymore trouble with it. There are others who have torn stabilizing structures that do not heal and may be at high risk to re-dislocate unless surgery is done. A good exam and MRI can be helpful.