venlafaxine /ˌvɛn.ləˈfækˌsiːn/ noun1 •A drug that functions as an SNRI and is used in the form of its hydrochloride C₁₇H₂₇NO₂·HCl especially to treat depression, anxiety, and panic disorder. It is marketed under the trademark Effexor.Venlafaxine, 75mg, increased to 150mg, then 225mg. Dizziness, low blood pressure, headaches. No other reaction. — 2002 formsvenlafaxines