Intuniv is available as 1mg, 2mg, 3mg, and 4mg extended-release tablets The Food and Drug Administration (FDA) has approved a new update to the Intuniv (guanfacine; Shire) labeling regarding ...
May 12, 2004 — Substantial increases in trazodone hydrochloride (Desyrel) plasma concentration may occur with concurrent dosing of the cytochrome P450 3A4 (CYP3A4) inhibitors ketoconazole, ritonavir, ...