Coming Off Sertraline Safely — Private Psychiatric Support UK

Sertraline — the basics

Sertraline (brand name Lustral in the UK, Zoloft elsewhere) is a selective serotonin reuptake inhibitor (SSRI). It is prescribed for depression, anxiety disorders, OCD, PTSD and panic disorder, and it is the most dispensed antidepressant in England by volume.

50–200mg Usual daily dose range

~26 hours Half-life — much shorter than fluoxetine, which can linger for weeks

Why that matters The nervous system notices a missed or reduced dose more quickly than with longer-acting antidepressants

Can sertraline be hard to stop?

Yes — for a significant proportion of people, especially those who have been taking it for more than a year or at higher doses. The standard NHS guidance of reducing over two to four weeks is appropriate for some people but is too fast for many, particularly long-term users.

The most commonly reported sertraline withdrawal symptoms tend to show up in three places.

Body Dizziness, nausea or flu-like sensations, and electric-shock feelings (“brain zaps”). These are often the first to appear, and are easy to mistake for physical illness.

Sleep Vivid dreams, early waking, difficulty falling asleep.

Mind Anxiety and irritability, low mood or emotional fluctuation, brain fog and word-finding difficulty — frequently misread as the original condition returning.

These symptoms are not signs that something has gone wrong with you. They are signs that the nervous system is readjusting — and with the right pace, they can be kept manageable throughout.

Sertraline withdrawal is not a sign that you need the medication permanently. It is a sign that the nervous system needs more time than it has been given.

Why smaller reductions may be needed at lower doses

NICE guidance on stopping antidepressants describes gradual, stepwise reductions that are proportionate to the existing dose, with the size and timing adjusted according to the individual and how they respond.

Proportional tapering means reducing by a proportion of the current dose, rather than taking the same number of milligrams away each time. The reductions therefore become smaller as the dose itself becomes lower.

The Royal College of Psychiatrists also describes hyperbolic tapering, which takes account of the fact that the relationship between antidepressant dose and its effects on the brain is not linear. For some people, this may mean that particularly small reductions are needed towards the lower end of the dose range.

This diagram illustrates a general principle rather than a personal tapering schedule. The appropriate size, timing and method of dose reductions varies between individuals and should be discussed with the prescribing clinician.

Why medication formulation can matter

Tablets

Sertraline is commonly supplied as tablets. Tablet strengths do not always allow a reduction small enough to be comfortable, particularly as the dose becomes lower.

Other strengths and liquids

Where smaller steps are needed, a different tablet strength or a liquid formulation may sometimes be used — under the guidance of a prescriber or pharmacist, not by improvising from a webpage.

Formulation is one of the practical questions in a gradual reduction. What is appropriate in an individual case should be decided with the prescribing clinician.

Key points about stopping sertraline

Do not stop sertraline abruptly after prolonged use
Smaller reductions are often needed at lower doses, and tablet strengths may not always allow this
If symptoms are significant after a reduction, discuss the next step with the prescribing clinician before reducing further

Will my depression come back if I stop?

This is the question most people ask — and it is a genuinely important one. The honest answer is: it depends, and it is not always possible to know in advance.

Stopping too quickly does increase the chance of symptoms that look like relapse but are actually withdrawal. When that is recognised — by slowing the taper or holding the current dose — those symptoms usually settle without the medicine needing to be reinstated.

More like withdrawal Often starts soon after a dose change. Physical symptoms are common — dizziness, brain zaps, flu-like feelings. Tends to ease if the dose is held or the reduction is slowed.

More like relapse Usually builds more gradually, resembles the original episode, and does not typically include those physical withdrawal sensations. Needs a careful clinical reading, not a snap decision.

Our explainer goes into more detail: Withdrawal or relapse — understanding the difference.

What if I have tried to stop before and found it very difficult?

This is extremely common, and it is almost never a sign that the medicine is needed permanently. It is usually a sign that the last attempt did not match how sertraline actually leaves the nervous system.

Too fast

A two-to-four-week reduction is still often suggested. For long-term use, that pace is usually too steep, especially at the lower doses.

Misread

Dizziness, zaps, anxiety or a sudden dip in mood are treated as relapse, so the dose is put back up — when a slower step, or a pause, may have been enough.

Formulation

The smallest tablet available can still be a large step for the nervous system. If a previous attempt stalled here, it may have been a limitation of the formulation rather than a sign that stopping is impossible.

Trying again more slowly, with a way to interpret what happens after each change, is usually possible. That does not have to mean starting over from the original dose.

You may also want What is hyperbolic tapering? and What makes deprescribing safe.

Stopping sertraline is not about willpower, and it does not have to be frightening.

With the right pace, the right support, and a clear plan, most people can reduce and stop — and stay well throughout.

Coming off sertraline — what to expect and how to do it safely