Autism and Depression

The few friends who I know have autism do have depression or depressive episodes. I try to help them as well as any friend who needs help, but some people I have suggested taking professional help.
Even I have had professional help but to little to no effect. I first started seeing my own depressive episodes at the young age of 13 and since then it has been growing ever since.
To the point where I have nearly attempted suicide, after that I began to seek professional help. I am now at the point where I know I cannot just snap my fingers and it will disappear as much as I it like to. I've come to the terms that I will have this issue for life, and it will affect me from day to day.
Apparently, depression with autism is a common thing. And that’s how the world seems to be going, more and more people announcing that they have depression.
It's not a bad thing to admit if you don’t feel good about yourself. And I still wonder if I didn’t have that first depressive episode at 13 or if I admitted it sooner how different my life would be. And if you don’t know who to talk to, then talk to your doctor, because that’s what I did.