Effexor, also known as venlafaxine HCL, is used to treat depression and other generalized anxiety disorders. It may even be helpful in treating Attention Deficit Disorder and Attention Deficit Hyperactivity Disorder.

Effexor belongs to a group of drugs called Selective Serotonin Reuptake Inhibitors (SSRI), which regulate levels and absorption of serotonin and norepinephrine in the brain.

This drug is available in tablet form, in a variety of dosages. The correct dosage will be determined by your doctor and may take up to a month before the most effective dose is determined. Effexor is typically taken once every 12 hours with a full glass of water, with or without food, or as prescribed by your doctor. It may take several weeks before it is fully effective.

The most frequently reported side effects are loss of appetite, constipation, dizziness, dry mouth, sexual dysfunction, insomnia, nausea, nervousness, sleepiness, sweating and weakness in the muscles. Some patients have experienced elevated blood pressure. Effexor is occasionally used to treat other conditions, as prescribed by your doctor.

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