Question: is viibryd similar to effexor?
Answer: Viibryd and Effexor are different types of antidepressants. Viibryd is a selective serotonin reuptake inhibitor (SSRI) and Effexor is a selective serotonin and norepinephrine reuptake inhibitor (SSNRI). Side effects of Viibryd and Effexor that are similar include vision changes, nausea, and sleep problems (insomnia).