When you stop taking antidepressants, roughly one in six people experience discontinuation symptoms that go beyond a placebo effect. These can range from mild flu-like feelings to intense “electric shock” sensations, dizziness, and anxiety. The experience varies widely depending on which medication you’re on, how long you’ve taken it, and how quickly you stop. Most symptoms are temporary and manageable, but stopping abruptly carries significantly more risk than tapering gradually.
What Discontinuation Feels Like
The symptoms of stopping antidepressants tend to fall into a recognizable pattern. Clinicians use the acronym FINISH to categorize them: flu-like symptoms, insomnia, nausea, imbalance, sensory disturbances, and hyperarousal. In practice, that means you might feel fatigued, achy, and generally unwell, similar to the early stages of the flu. Nausea and diarrhea are common. Sleep can become difficult or fragmented.
The more distinctive symptoms are the ones people don’t expect. Many describe sudden “brain zaps,” brief electric shock sensations in the head that can happen dozens of times a day. Dizziness, lightheadedness, and a feeling of unsteadiness when walking are also typical. Some people experience visual disturbances or tingling in their hands and feet. On the emotional side, you may feel unusually anxious, irritable, or agitated in a way that feels different from your original depression or anxiety.
How Quickly Symptoms Start
Discontinuation symptoms typically appear within days of stopping the medication or reducing the dose. They emerge once about 90% or more of the drug has cleared your system, which is why the timeline depends heavily on the specific antidepressant you were taking. Medications with a short half-life (meaning they leave your body quickly) can trigger symptoms within a single day of a missed dose. Longer-acting medications may not produce symptoms for several days or even a week or two.
For most people, symptoms peak within the first week and then gradually ease. If they persist beyond a month and are getting worse rather than better, that’s a signal worth paying attention to, because it may indicate a return of the underlying condition rather than a withdrawal effect.
Which Medications Carry the Highest Risk
Not all antidepressants are equally likely to cause withdrawal symptoms. A large study using the World Health Organization’s global drug safety database found that short half-life antidepressants were about five times more likely to trigger withdrawal than longer-acting ones. The medications most frequently associated with discontinuation problems were paroxetine, venlafaxine, duloxetine, and desvenlafaxine. Paroxetine alone accounted for nearly 31% of all reported withdrawal cases, with venlafaxine close behind at 23%.
Women and adults between 18 and 44 face a somewhat higher risk. If you’re taking one of the higher-risk medications, the tapering process generally needs to be slower and more carefully managed. On the other end of the spectrum, some newer antidepressants like agomelatine and vortioxetine appear to carry a much lower withdrawal risk.
Withdrawal vs. Relapse: How to Tell the Difference
One of the most confusing parts of stopping an antidepressant is figuring out whether what you’re feeling is withdrawal or your depression coming back. The two can look surprisingly similar, especially when anxiety, low mood, and sleep problems overlap. But there are reliable ways to distinguish them.
Withdrawal symptoms usually appear within days of a dose change, follow a wave-like pattern (they surge, peak, then gradually fade), and resolve quickly if you restart the medication. The biggest giveaway is the presence of physical symptoms alongside the emotional ones. Brain zaps, dizziness, unsteadiness, and tingling don’t happen during a depressive relapse. If you’re experiencing those alongside mood changes, you’re almost certainly dealing with discontinuation rather than a return of your original condition.
A true relapse, by contrast, tends to build more gradually over weeks, feels familiar (like your previous depressive episodes), and doesn’t include those characteristic physical symptoms. If your symptoms are purely emotional and still worsening after a month, that’s when the possibility of relapse becomes more likely.
Why Tapering Slowly Matters
The standard advice for years was to reduce your dose over two to four weeks. More recent guidelines suggest that’s too fast for many people. The Maudsley Deprescribing Guidelines, now widely referenced in clinical practice, recommend a “hyperbolic” tapering approach: reducing your dose by about 10% of the most recent dose each month. This means the actual reductions get smaller and smaller as your dose decreases.
For example, if you’re on 20 mg, your first reduction might be 2 mg (down to 18 mg). A month later, you’d drop by 1.8 mg (down to about 16 mg). By the time you’re at 5 mg, you’re cutting by just half a milligram at a time. This approach reflects how antidepressants affect brain chemistry: the impact of each milligram is proportionally larger at lower doses. Cutting from 10 mg to 5 mg is a much bigger neurochemical shift than cutting from 20 mg to 15 mg, even though the absolute change is the same.
For people who are especially sensitive, even slower rates of 5% or 2.5% reductions per month may be necessary. The process can take months, and for some people, over a year. That can feel discouraging, but a slow taper dramatically reduces the intensity of withdrawal symptoms compared to stopping quickly.
What You Can Do During the Process
There’s no pill or supplement with strong evidence for eliminating discontinuation symptoms once they’ve started. The most effective strategy is prevention through gradual tapering. If symptoms become unmanageable, the most reliable intervention is to go back to the last dose that felt tolerable and resume tapering more slowly from there.
Practically speaking, your prescriber is the person who can adjust the pace based on your specific medication, your dose, and how you’re responding to each reduction. Some medications are available in liquid form, which makes it easier to make the very small dose adjustments needed at the end of a taper. Others may require a pharmacist to compound custom doses or a switch to a longer-acting medication in the same class to smooth out the transition.
Keeping a simple log of your symptoms, including when they start, how intense they feel, and whether they improve between reductions, gives you and your prescriber concrete information to guide the pace. Knowing that what you’re experiencing is a recognized, time-limited physiological response (and not a sign that you “need” the medication forever) can also make the process feel more manageable.
How Common Severe Symptoms Actually Are
A 2024 meta-analysis in The Lancet Psychiatry provided the clearest picture yet of how common these symptoms really are. About 31% of people stopping an antidepressant reported at least one discontinuation symptom. But when researchers subtracted the rate of similar symptoms in people stopping a placebo (17%), the true drug-specific rate landed around 15%, or roughly one in six to seven people.
Severe symptoms were much rarer. About one in 35 people experienced symptoms classified as severe after stopping an antidepressant, compared to about one in 170 after stopping a placebo. That means the vast majority of people who taper off antidepressants either have no symptoms or have symptoms that, while uncomfortable, are manageable. But the small percentage who do experience severe withdrawal can find it genuinely debilitating, which is why the pace of tapering matters so much, especially for higher-risk medications.