I was on Effexor many years ago and I do not have fond memories of it. My side effects were constant sweating and after I got used to it I found I was getting angry, (border line rage), over absolutely minor things. It is not an easy medication to get off of either. It took me six weeks to wean myself off of it and it wasn‘t pleasant. I would suggest you consider another SSRI.
However, be aware that all SSRI’s effect people differently. Some people do well on one medication and other do not. You may have to try different ones until you find one that works for you.
Keep moving, it makes it harder for the undertaker to catch you. Don