Extended - release guanfacine hydrochloride in 6 -17-year olds with ADHD: a randomised - withdrawal maintenance of efficacy study. (cambridge.org)
The data from one study suggest that morning or evening guanfacine extended release (GXR; ≤ 4 mg / d) adjunctive to a long - acting psychostimulant resulted in improvement in ADHD symptoms over psychostimulants used alone. (emedicine.medscape.com)
Other medications such as guanfacine, clonidine, and some antidepressants may also be helpful. (aacap.org)