Venlafaxine (Effexor) is an oral antidepressant. It is similar to the SSRI's (but not too similar!). Different dosage regimens are used depending on the indication (why it's being taken).
Onset : Gradual until peak concentrations are reached, often 3-14 days until effects have stabilized.|
Duration : 12-24 hours including active metabolites
Every individual reacts differently to every chemical.
Know your Body - Know your Mind - Know your Substance - Know your Source.
Erowid's dosage information is a summary of data gathered from users, research, and other
resources and should not be construed as recommendations. Individuals can respond
differently to the same dosage. What is safe for one can be deadly for another.
Start low with new substances.
Have trusted companion/guide/sitter/friend present and/or available.