Wytensin is a brand name medication that contains the active ingredient guanabenz. It belongs to the class of drugs known as alpha-2 agonists, which are used to treat high blood pressure. If someone needs a synonym for Wytensin, they can use guanabenz instead. This medication works by relaxing blood vessels, making it easier for blood to flow through them and reducing blood pressure. Another synonym for Wytensin is a centrally acting antihypertensive drug, which refers to the way the medication works within the body. Alpha-2 adrenergic agonist is another synonym that describes Wytensin's mechanism of action. Regardless of the synonym used, people who take this medication should always follow their doctor's instructions and take it as prescribed to safely manage their blood pressure.