How Long Does Guanfacine Take To Work? Complete Guide
Guanfacine starts working within hours for some effects, but full benefits for conditions like ADHD typically take 2 to 8 weeks. The immediate-release version can lower blood pressure within a few hours. The extended-release version for ADHD (Intuniv) usually requires consistent daily dosing for several weeks before patients and doctors see meaningful improvements in focus … Read more