In the first week or two, an antidepressant can make you feel worse before it helps, and mild side effects like that usually settle within one to two weeks. Sometimes, though, feeling worse points to something else: the wrong medication or the wrong dose, or an underlying bipolar pattern that an antidepressant on its own can stir up. Knowing which one you are dealing with is what tells you whether to give it a little more time or get a closer look now.
If you started a medication hoping to feel steadier and instead feel more anxious, wired, or low, that is worth paying attention to. Here is what is usually behind it, when it is a normal part of adjusting, and when it is a sign to reach out.
Is it normal to feel worse when you first start an antidepressant?
For a lot of people, yes. Antidepressants are well tolerated overall, and the early side effects that do show up are usually mild and tend to ease within one to two weeks. In that window you might feel more jittery or anxious, sleep worse, or deal with nausea or a headache before your mood starts to lift. It happens because the medication begins changing brain chemistry within days, while the part that actually improves how you feel takes longer to catch up. So there can be a stretch where the side effects have arrived but the benefit has not.
That gap is real and it is common, and for most people it passes. The catch is that "give it time" is only the right answer for some of the reasons behind feeling worse. For others, waiting is the wrong move. The rest of this comes down to telling those apart.
Why an antidepressant can make you feel worse
Feeling worse is not one thing with one cause. A few different things can be behind it, and they call for different responses:
- Early side effects while your body adjusts. The jittery, restless, or queasy stretch in the first week or two, which usually fades on its own.
- A dose that started too high or climbed too fast. More medication is not always better early on, and easing the start can settle things.
- A medication that is not the right fit for you. People process the same drug differently, and one that helps a friend can be a poor match for you. A different medication often lands better.
- Akathisia, a specific kind of inner restlessness. It feels like you cannot sit still or settle in your own skin, and it is a known reaction to some of these medications that a prescriber can address.
- An undiagnosed bipolar pattern. This is the one the timing story misses. In someone whose depression is actually part of a bipolar pattern, an antidepressant taken on its own can tip mood the other way, toward agitation, racing thoughts, irritability, or needing very little sleep, rather than calm.
That last one matters because it points to a different treatment approach entirely. When the real issue is a bipolar pattern, switching from one antidepressant to another rarely settles it, and it can keep the wrong treatment going for years.
When feeling worse is a warning sign, not part of adjusting
Most early side effects are uncomfortable but not dangerous. A few signs mean you should reach out to your prescriber promptly rather than wait the window out:
- New or worsening thoughts of harming yourself
- Severe agitation, or feeling dangerously wired and unable to sit still
- Going days with little or no sleep and not feeling tired
- Racing thoughts, or a sudden pull toward risky or impulsive things you would not normally do
The first few weeks on an antidepressant carry a small but real increase in suicidal thoughts for some people, and that risk is higher for adults under 25. That is exactly why prescribers watch this period closely, and it is why these signs are worth a call rather than a wait.
If you are in crisis or thinking about harming yourself, call or text 988 (the Suicide and Crisis Lifeline), available 24/7, or call 911. Ansh Health Associates does not provide emergency or crisis services and cannot respond to emergencies.
Could this be bipolar disorder rather than depression?
Sometimes, and it is one of the most useful questions to sit with. When an antidepressant reliably pushes someone toward feeling revved-up, irritable, or unable to sleep instead of calmer, that reaction itself can be an early clue that the depression is part of a bipolar pattern. Bipolar depression can look exactly like ordinary depression from the outside, which is how it gets treated with an antidepressant alone and keeps not working.
Sorting this out is a matter of looking at the fuller picture rather than the last prescription. A bipolar evaluation weighs how you have responded to antidepressants in the past, the age your symptoms first started, and whether bipolar disorder runs in your family, alongside a structured screen like the MDQ. None of these decides it alone. Together they often point clearly toward whether a mood-stabilizing approach fits better than another antidepressant.
Should you stop the medication, and what to do right now
The instinct to quit something that is making you feel worse is understandable, but stopping an antidepressant suddenly can bring its own rough patch, including discontinuation symptoms and a sharper return of what you were treating. Unless you are in an emergency or your prescriber tells you otherwise, keep taking it as prescribed while you sort out the next step. In most cases the fix is a dose change or a switch, not quitting cold.
A few things help in the meantime:
- Keep taking your current dose unless a prescriber says to change it or you are in crisis
- Jot down what you feel and when, and note how it lines up with starting the medication or changing the dose
- Have a rough list ready of what you take now and what you tried before
- Reach out to your prescriber, or get a fresh look at the medication if the person who started it is hard to reach
That record is what turns "it made me feel worse" into a specific question someone can actually answer.
Sorting it out in Maryland with Ansh Health Associates
At Ansh Health Associates, Dr. Hardik Yadav, MD handles your care himself at every visit rather than passing it to staff. Dr. Yadav is a Board-Certified Psychiatrist with more than 15 years of experience and a Master of Public Health, and he has managed severe, complex cases through his work in the corrections system, where two or three conditions running at once is common. A medication that backfired is the kind of case that rewards a careful second look.
The initial visit is a full 60 minutes, long enough to go through how you responded to the medication, your history, and whether a bipolar pattern or another missed cause has been sitting underneath. Where it helps, he can order genetic testing to see how your body processes specific medications, which can narrow down the ones you are more likely to tolerate. Everything happens by video anywhere in Maryland, with no in-person visit required, and evening and weekend times are open. The practice is cash-pay and out-of-network: the 60-minute evaluation is $350 and follow-up medication visits are $200, paid at the visit, with a superbill provided afterward that you can submit toward out-of-network reimbursement. A free 15-minute consultation lets you talk through what has been happening before you commit to anything.
Common questions
How long does feeling worse on an antidepressant usually last?
Mild early side effects tend to ease within one to two weeks. If the rough patch drags on past that, keeps getting worse, or comes with the warning signs above, that is a reason to have the medication reviewed rather than keep waiting.
Does feeling worse mean the medication will never work?
Usually not. It often reflects a dose or fit that needs adjusting rather than a dead end, and a change of dose or medication frequently settles it. What matters is looking at why it happened instead of guessing at the next pill.
Can an antidepressant really trigger mania?
It can in someone whose depression is part of a bipolar pattern, which is a large part of why that pattern is worth screening for when an antidepressant pushes mood toward agitation, racing thoughts, or little need for sleep. A structured screen weighed against your history is what sorts it out, more than any single reaction.
Should I stop my antidepressant if it is making me feel worse?
Not on your own. Stopping suddenly can bring discontinuation symptoms and a sharper return of symptoms. Keep taking it as prescribed and contact your prescriber, unless you are in an emergency, in which case use the crisis numbers above.