you can book a consultation with a psychologist or a psychiatrist. In order to be diagnosed, the symptoms you have must have been present before age 12. They will likely have you sit and do a 20 minute test to measure attention and memory. It will sound like it's going to be easy. If you have the condition, I assure you it is not!
Then your provider can talk meds. There's lots of options. The lambo of pills is Vyvanse (lisdexamfetamine), but there are a lot of others w various benefits and drawbacks.
e: the doctors are only there to prescribe pills, more or less. they won't think you're abusing the system