It doesn't. You can try getting it sealed via an attorney and the federal courts, but be prepared to spend a LOT of money, and then you still probably won't get your way.
A Dishonorable Discharge is the the worst fate conceivable.
It was formerly known as a "Bad Conduct Discharge" and ranks just above a Dishonorable Discharge.
am I considered a veteran if I have a dishonorable discharge
no
Walt Disney did not receive a dishonorable discharge because he never served in the military.
Yes.
No, he got a medical discharge
The only thing you can do is appeal your discharge.
Dishonorable discharge
No.
I think he didn't because he was in the military
means perm ban