Partially helpful150 mg · 8 months
"The first few weeks were rough: sweating, anxiety, trouble sleeping. After about a month I felt noticeably calmer, but the apathy never fully lifted..."
Woman, 29
SNRI
Effexor / Effexor XR
Based on experiences from 12,486 people taking Effexor.
Most common side effects
Sweating41%
Nausea37%
Increased anxiety31%
Drowsiness28%
Insomnia24%
When Effexor starts working
When people first notice an effect
1 week
12%
2 weeks
29%
3-4 weeks
41%
1-2 months
14%
No noticeable effect
4%
What improves first
Anxiety2-3 weeks
Sleep2 weeks
Mood3-5 weeks
Energy4-8 weeks
Motivation1-2 months
How quickly side effects fade
Nausea1-2 weeks
Increased anxiety1-3 weeks
Drowsiness2-4 weeks
Sweatingcan last for months
Insomnia2-6 weeks
Common effective doses
Doses people most often stay on
37.5 mg9%
75 mg38%
150 mg34%
225 mg15%
300+ mg4%
Doses linked to a stronger effect
75 mg28%
150 mg47%
225 mg21%
Other doses4%
Why Effexor is commonly prescribed
Depression61%
Generalized anxiety48%
Panic attacks31%
Social anxiety18%
Low motivation17%
Dosing schedule
How many times per day
Once daily72%
Twice daily24%
Three times daily4%
When people take it
Morning58%
Morning and afternoon21%
Morning and evening13%
Evening8%
Most common withdrawal symptoms
Brain zaps52%
Dizziness46%
Anxiety38%
Nausea27%
Fatigue24%
How long withdrawal can last
A few days18%
1-2 weeks41%
1 month24%
Several months14%
Over 6 months3%
What helps with withdrawal
Slow dose taper61%
Going back to the previous dose34%
Opening or splitting capsules28%
Bead-counting taper19%
Switching to fluoxetine14%
When relief is most often reported
Percentage of stories where withdrawal symptoms started to noticeably ease during that week.
Withdrawal week
How the effect feels
What people like
My mind got quieter31%
Energy came back27%
Mornings got easier21%
Less anxiety19%
Easier to socialize11%
What people dislike
Feeling robotic24%
Muted emotions21%
Emotionally flat18%
Not feeling like myself12%
Too stimulating9%
Treatment outcomes
Partially helpful39%
Very helpful26%
Helped, but took time14%
No clear benefit11%
Made things worse6%
Unknown4%
Patient stories
Very helpful225 mg · 1.5 years
"Before Effexor I barely left the house. After going up to 225 mg, my energy slowly came back and work started to feel doable again..."
Man, 34
Helped, then stopped working150 mg · 2 years
"It worked really well during the first year. Then anxiety and fatigue gradually started creeping back in..."
Woman, 37
Forms and manufacturers people mention
Effexor XR41%
Generic venlafaxine XR26%
Greenstone authorized generic14%
Teva11%
Aurobindo8%
Popular combinations
Effexor + mirtazapine31%
Effexor + quetiapine26%
Effexor + hydroxyzine18%
Effexor + lamotrigine11%
Effexor + aripiprazole9%
FAQ
1. During dose changes, many avoid alcohol so side effects are easier to distinguish(41%)
2. If they do drink, they keep it minimal and avoid mixing with sedating meds(27%)
3. They watch for drowsiness, blood pressure changes, and next-day anxiety(19%)
4. Blackouts or unusually strong reactions usually mean skipping alcohol entirely(13%)
What people switch to after Effexor
Duloxetine28%
Escitalopram19%
Sertraline15%
Mirtazapine11%
Vortioxetine9%
Effexor stopped working
What people most often do
Raise the dose38%
Add another medication27%
Switch antidepressants21%
Restart after a break8%
Taper off gradually6%
When it most often stops helping
Before 6 months
19%
6-12 months
41%
1-3 years
32%
Over 3 years
8%