anxiety
"I started taking Pristiq and noticed a huge improvement within 2 days. I had been experiencing immense anxiety which made me scattered and often manic. The mood swings and feelings of doubt, inadequacy, perfectionism and worthlessness brought on by my anxiety had become overwhelming and caused me to sink into major depression. All of these feelings lifted largely withing 4 days of Pristiq. I feel focused, more interested in my old hobbies, much less anxious in general, and no depression. I do not feel foggy or like a different person, rather I feel like my old self. 

Minor SEs including dehydration (fainted once) and aching jaw."