I have been on literally thousands of psychotropic medications. Only Effexor XR Brand has benefited me completely in the past. I would like to know the date when Effexor XR Brand was invented to know if I could have started on this medication earlier than I actually did. Thankyou.
December 1, 1993 was the marketing start date, so when it became available on the market. Any use before that was in clinical studies. Drugs are not available on the market for a long time after they are invented so I would think it is the first day on the market that you are wanting, not the day it was invented.
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