Venlafaxine is a prescription medication primarily used to treat depression, anxiety disorders, and certain types of panic disorders. It belongs to a class of drugs known as serotonin-norepinephrine reuptake inhibitors (SNRIs), which work by increasing the levels of neurotransmitters serotonin and norepinephrine in the brain, helping to improve mood and alleviate anxiety. Common side effects of Venlafaxine may include nausea, dizziness, and dry mouth. It is important for patients to follow their healthcare provider's instructions and discuss any concerns or side effects experienced while taking this medication. Regular monitoring may be necessary to ensure its effectiveness and safety.