Buspar is used to relieve certain states of anxiety. It is chemically different from the other medicines for anxiety treatment and has little no effect at all on the mental alertness. Neither does it produce any dependency problems.
Strattera is used for the treatment of attention deficit/hyperactivity disorder, which is also known as ADHD. It is not a stimulant like other drugs for ADHD. This drug is used to improve attention span, concentration, and emotional control