Clonidine is available as a patch you apply to your skin, a liquid solution for injection, an oral suspension, an oral tablet, and an extended-release (ER) oral tablet.

Am J Health Syst Pharm. 2012;69(2):116-124. The clonidine patch is one example of a TDDS offering several of those benefits. Clonidine patches are applied once every seven days, allowing a reduced ...