What class of medication do Desvenlafaxine (Pristiq) belong to?

• A. SSRI
• B. Stimulant
• C. SNRI
• D. MAOI

Answer: (C)

Desvenlafaxine, commonly known by the brand name Pristiq, is classified as a serotonin-norepinephrine reuptake inhibitor (SNRI). This class of medications works by inhibiting the reuptake of two important neurotransmitters in the brain: serotonin and norepinephrine. By increasing the levels of these neurotransmitters, SNRIs help to improve mood and alleviate symptoms of depression and anxiety.

SNRIs are often used in the treatment of major depressive disorder and generalized anxiety disorder. They can also have a role in managing certain types of chronic pain. The dual action of targeting both serotonin and norepinephrine makes SNRIs distinct from other classes of antidepressants, which may only affect serotonin levels or have different mechanisms of action.

This classification is critical because it informs clinicians about the medication's mechanism of action, potential side effects, and how it may interact with other medications being taken by the patient. Understanding that Desvenlafaxine is an SNRI helps guide appropriate patient care and treatment decisions based on current research and pharmacological profiles.