Venlafaxine
Aliases: Efexor, Effexor, Effexor xr
Summary
Venlafaxine is a serotonin and norepinephrine reuptake inhibitor which is used in the treatment of depression and general anxiety disorder. It is also used off-label to treat a variety of other disorders.
Tolerance
Build-up
varies by mechanism; therapeutic tolerance may develop over weeks of regular use
Reset
typically days to weeks after discontinuation
Tolerance Decay
Full tolerance
3d
Half tolerance
8d
Baseline
~14d
Effects
Aggregated from 155 Erowid experience reports
Positive Effects 8
Stimulation
36.8%
70%
Euphoria
17.4%
70%
Empathy
16.1%
70%
Focus Enhancement
16.1%
70%
Music Enhancement
12.9%
70%
Color Enhancement
10.3%
70%
Tactile Enhancement
7.7%
70%
Body High
3.9%
70%
Adverse Effects 14
Anxiety
55.5%
70%
Confusion
27.1%
70%
Nausea
22.6%
70%
Increased Heart Rate
9.7%
70%
Pupil Dilation
9.0%
70%
Sweating
8.4%
70%
Seizure
8.4%
70%
Muscle Tension
6.5%
70%
Appetite Suppression
5.2%
70%
Jaw Clenching
5.2%
70%
Psychosis
5.2%
70%
Memory Suppression
4.5%
70%
Headache
3.2%
70%
Motor Impairment
2.6%
70%
Pill Identifiers
32
known pill identifiers on record — view imprints, colors, shapes, and images
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Venlafaxine's nerd page
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