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I have been on Venlafaxine XR 150mg for many years. The past year or so my depression has gotten much worse..excessive sleeping, feeling like I am in a haze, unable to think really, as if I can no longer figure out how to process even the simplest information, or finish a task. My dr increased the Venlafaxine to 300mg/day, 150am and 150 mg before bed in mid Feb. About 2 1/2 weeks later I began having frequent dizzy spells. Then I began having these odd seizure type events where I start to uncontrollably shake, I get a fuzzy feeling and I black out. The black outs have happened 5 times since then, the dizzy spells happen between 3 to 4 times a day. I told my dr, she checked my blood pressure sitting/standing/laying down, it stayed consistent at 116/74. I think these dizzy spells etc are caused by the increase in Venlafaxine, however my dr disagrees. My question is has anyone else experienced or heard of similar side effects when taking Venlafaxine at a higher dose?
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