Guanfacine trade name?

What’s the most common brand name for guanfacine?

Guanfacine is sold under the trade name Tenex for the immediate-release form of the drug (guanfacine). [1]

Are there other guanfacine trade names?

Yes. The extended-release version of guanfacine is marketed under the trade name Intuniv. [2]

What’s the difference between Tenex and Intuniv?

The main difference is the formulation:
- Tenex: immediate-release guanfacine. [1]
- Intuniv: extended-release guanfacine. [2]

Why does the trade name matter?

Because dosing schedules and release profiles differ by formulation, the correct trade name (Tenex vs. Intuniv) helps match the prescribed medication to the intended release characteristics.

Sources

[1] https://www.drugs.com/tenex.html
[2] https://www.drugs.com/intuniv.html