How long do withdrawal symptoms last from Pristiq?
Mia Smith
Published Feb 16, 2026
How long do withdrawal symptoms last from Pristiq?
Generally, Pristiq withdrawal symptoms begin to appear between two and four days after the last dose. They may last anywhere from four to six weeks (or longer) depending on your dosage and how long you’ve been taking Pristiq.
What are the side effects when you stop taking Pristiq?
What Are Common Pristiq (Desvenlafaxine) Withdrawal Symptoms?
- Dizziness.
- Diarrhea.
- Electric shock sensations, known as “brain zaps” or “brain shocks.”
- Speech changes.
- Deepening depression.
- Headaches.
- Irritability.
- Vivid or abnormal dreams.
How long does it take to wean off desvenlafaxine?
Taper time
| Drug | Time until medication is half out of the body | Time until medication is 99% out of the body |
|---|---|---|
| SNRIs | ||
| duloxetine (Cymbalta) | 12 hours | 2.5 days |
| venlafaxine (Effexor) | 5 hours | 1 day |
| desvenlafaxine (Pristiq) | 12 hours | 2.5 days |
What does pristiq do to your brain?
Pristiq works by increasing the absorption of serotonin and norepinephrine in the brain. This increased absorption can help to elevate mood levels and decrease symptoms of anxiety and depression.
Is pristiq hard to get off?
Like virtually all other antidepressants, the side effects of Pristiq can be quite uncomfortable and harsh, and extremely hard to tolerate, which may lead to the decision to quit taking it.
Is Pristiq hard to get off?
What do brain zaps feel like?
You might also hear them referred to as “brain zaps,” “brain shocks,” “brain flips,” or “brain shivers.” They’re often described as feeling like brief electric jolts to the head that sometimes radiate to other body parts. Others describe it as feeling like the brain is briefly shivering.
Can Pristiq cause brain damage?
When your body becomes addicted to Pristiq (desvenlafaxine), the receptors in the brain burn up when the substance of a medication is administered too quickly. Some receptors are irreversibly damaged making the brain require more to receive relief.
Is pristiq bad for your liver?
“(Elevated) liver enzymes are not an uncommon phenomenon” in drug trials, Stiles said. He said higher levels of the enzymes — which are considered to be a marker of potential damage to the liver — returned to normal levels when patients stopped taking Pristiq.
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