Try supplements. These people will help you with your symptoms www.Mensahmedical.Com/ and as a foundation for whatever else you do you can't beat good nutrition. They were trained by dr. Walsh from http://www.Walshinstitute.Org/ please check out his studies to see what is possible for your symptoms.
It can vary. No magic recipe for that unfortunately. Stimulant meds generally work well for adhd in the vast majority of the cases - but can be an issue if substance abuse is part of the borderline personality issue. There is no medication that cures borderline, but sometimes depending on the co-occuring disorders that can go along with borderline - different meds r used. A good psychiatrist is important.