Not directly. People with adhd suffer from the negative effects on their work and relationships at times. This can lead to low self-esteem and perhaps lead to major depression if the negative feedback persists and is severe enough. Sometimes we will see depression occurring with adhd. I've seen the combination more often than not in my practice.
Possibly. If your symptoms are really disturbing you, you could become depressed about them. Do consult a psychiatrist.
Structure/schedule. For adhd, social anxiety, and depression set a structure that is more rigid than flexible. Make a schedule for events and task completion that is visual and auditory. Record it on your phone, set alarms etc. Make it more difficult for you to avoid lateness by setting earlier reminders to leave and get ready to leave. Read more...