<unk>  is a 5-HT2 Antagonists that is FDA approved for the {{{indicationType}}} of major depressive disorder. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include cardiovascular: orthostatic hypotension (2.8% to 4), gastrointestinal: constipation (10% to 17% ), nausea (14% to 23% ), xerostomia (25% ), neurologic: asthenia (7% to 13% ), confusion (7% ), dizziness (11% to 22% ), headache (26% to 52% ), lightheadedness (10% ), somnolence (16% to 32% ),ophthalmic: blurred vision (3% to 9% ).
Nefazodone
Hydrocodone
Vilazodone
Tapentadol
Tramadol
Morphine 
Methadone 
Oxycodone