The objective of this study is to determine any problems or questions associated with Pristiq after marketing, with regard to the following clauses under conditions of general clinical practice, in compliance with the regulation "Re-examination guideline of new drugs (Ministry of Food and Drug Safety Notification 2013-251, 2013.12.20)".
1. Serious adverse event/adverse drug reaction
2. Unexpected adverse event/adverse drug reaction that have not been reflected in the approved drug label.
3. Known adverse drug reaction
4. Non-serious adverse drug reaction
5. Other safety and effectiveness information