SNRI (FDA-approved for fibromyalgia in the US, not for depression)

Savella (milnacipran) Withdrawal

Savella (milnacipran) has a pronounced discontinuation pattern driven by its very short half-life. In the US it is FDA-approved for fibromyalgia rather than depression. Patients tapering Savella often experience a return of both fibromyalgia symptoms and the discontinuation syndrome itself, which can be hard to separate.

By Dr. Ben Soffer, DO — board-certified physician, at-home ketamine therapy in Florida and New Jersey.

Half-life

~6-8 hours. Among the shortest half-lives in the SNRI class.

Withdrawal timeline

Onset— 12-24 hours after the missed dose

Symptoms emerge quickly given the very short half-life.

Peak— Days 2-5

Discontinuation symptoms peak in the first 5 days; fibromyalgia symptoms may return more gradually.

Resolution— 2-4 weeks (discontinuation); fibromyalgia return depends on individual

Discontinuation symptoms resolve within a few weeks. Fibromyalgia symptom return is its own conversation.

Common symptoms

  • Dizziness
  • Nausea
  • Sweating
  • Anxiety
  • Sleep disturbance
  • Return of fibromyalgia pain

Less common

  • Brain zaps
  • Headache
  • GI distress

Tapering guidance

  • A typical taper reduces by 25 mg per dose every 1-2 weeks. Savella is usually dosed twice daily, so a typical schedule is reducing one of the two daily doses first, then the other.
  • Coordinate any taper with the prescribing physician, particularly for fibromyalgia patients whose pain may return.

Where ketamine therapy fits

Savella is compatible with at-home ketamine therapy. Ketamine has evidence in both depression and chronic pain (including fibromyalgia and centralized pain syndromes), so the conversation about ketamine in a Savella context often spans both indications. Continue Savella as prescribed unless the prescribing physician advises otherwise.

Check ketamine therapy eligibilityMedication safety with ketamine

Frequently asked questions

How long does Savella withdrawal last?

Acute discontinuation symptoms typically peak in the first 5 days and resolve within 2-4 weeks. Return of fibromyalgia symptoms is a separate consideration.

Is Savella compatible with ketamine therapy?

Yes. The two work through different mechanisms with no required washout. Ketamine has evidence in fibromyalgia as well.

Important: This page is informational and does not constitute medical advice or a recommendation to start, stop, or change any medication. Tapering psychiatric medications should always be coordinated with the prescribing physician. Compounded ketamine for anxiety, depression, PTSD, and chronic pain is not FDA approved.

Browse all medication withdrawal guides.