Dear Love,
I am so sorry you are feeling so down and out. I have had great results with one of the AD's and not so great with others but I have not used this medication.
Venlafaxine, like most anti-depressants, can cause nausea, headaches, anxiety, insomnia, drowsiness, and loss of appetite. It is often difficult to get onto an AD because of the side effects which sometimes do cause anxiety to increase at first.
I can feel your pain as your post sounded so much like how I have felt many times over the past 27 years but trust me there is good mixed in with not so good. Do keep working with your physician and try a low dose of the medication easing on gently to an AD. That has worked best for me. Please remember I am not a professional but I do care my sweet lady.
Keep talking to us and let us help you. You give so much to others now let us help you.
Hugs
Kitt