I myself take 150mg of Effexor-Xr, i have just been increased from 75mg, and i do recall having to pop my ears when on 75mg, not sure if this is just the dosage or something completely different, although i dont have any problems on 150mg.
May be a good idea to contact your doctor though..
Suffer from major depression, Agoraphobia, Anxiety, Panic attacks, Recovering Alcoholic.
I have 4 great kids and a wonderfully supportive partner.
"There is a light at the end of the tunnel"