"i have been on celexa for 10 years now.  it was no longer working for me.  my doctor cut my celexa dose in half and had me take 5mg of brintellix.  i read all the reviews on here and was hopeful.  many talked about nausea, so when i experienced nausea after 20mins of taking the meds, i thought it was normal.  a half hour later, i was on my way to work with my kids, i threw up all over myself in the car.  i highly recommend trying this drug for the first time on a weekend. didn&#039;t work for me :("