R.K.
My husband would highly recommend Dr. Patricia Evans with Aspen Clinic in Bloomington.
www.aspenmed.org
7920 Cedar Avenue South
Bloomington, MN 55425
Main Number ###-###-####
He suffers from panic attacks also and spent two years in her care learning to cope with his anxiety. He also takes Effexor and Buspar to help control the symptoms. It was a long road to recovery but tell your brother it is possible to led a happy and normal life.
Good luck!