News & Research
The Siggy Blog
Expert articles on medications, conditions, and the future of mental healthcare, from the team building it.
Effexor vs Zoloft: How Prescribers Decide
Effexor vs Zoloft: how the SNRI and SSRI compare on effectiveness, side effects, blood pressure, and stopping, and why prescribers often start with one first.
Effexor Withdrawal: Why Venlafaxine Is So Hard to Stop
Effexor withdrawal can start within a day of a missed dose. Learn why venlafaxine is hard to stop, how long symptoms last, and how a slower step-down helps.
Effexor vs Cymbalta: Dosing, Side Effects, and Stopping Risk
Effexor and Cymbalta are both SNRIs, but they differ in dose range, early nausea, blood pressure, liver cautions, and how hard they are to stop. See the data.
How Long Does Effexor Take to Work? Why the Dose Matters
How long does Effexor take to work? See the week-by-week timeline, why dose increases shift the clock, what early improvement predicts, and when to reassess.
Effexor vs Lexapro: Where the SNRI Effect Actually Kicks In
Effexor acts much like an SSRI at 75 mg and adds norepinephrine effects at higher doses. See how it compares with Lexapro on benefit, side effects, and stopping.
Pristiq vs Effexor: How Metabolism Shapes Which One Fits You
Pristiq is the active compound your body makes from Effexor. See how genes, other medications, and kidney or liver health change which one fits you best.
Effexor Dosage: The 150 mg Threshold and What Changes
Effexor usually starts at 75 mg and can rise to 225 mg. See where its norepinephrine effect appears and what that means for benefit, blood pressure, and withdrawal.