What a Bipolar Mixed Episode Feels Like

If you’re experiencing extreme highs and lows at the same time, feeling hopeless and wired in a way that seems contradictory, you may be at a loss for what’s going on. It doesn’t match the usual portrayal of bipolar disorder, where people swing between sustained highs and lows rather than experience them simultaneously.  

But this state has a name: a bipolar mixed episode, where depression and mania show up at the same time. It’s confusing and distressing whether or not you already have a bipolar diagnosis, and it’s easy for doctors to miss.  

Talkiatry psychiatrists who specialize in bipolar disorder treatment often describe mixed episodes as one of the most misunderstood parts of the condition. This article breaks down what a bipolar mixed episode is, what it feels like, how it’s diagnosed, and how psychiatrists treat it.

What is a bipolar mixed episode?

A bipolar mixed episode is when symptoms of depression occur at the same time as symptoms of mania (a period of intense mood and high energy that lasts at least a week and disrupts daily life) or hypomania (a milder, typically shorter version). The DSM-5, the manual psychiatrists use for diagnosis, calls this "mixed features."

This term replaced the older DSM-4 "mixed episode" diagnosis. Before, a patient had to meet all the criteria for both a manic and a depressive episode at the same time to be diagnosed as having a mixed episode, which was a rare occurrence. The DSM-5 lowered the bar so that only three opposing symptoms are needed.² That change made mixed states much easier to identify in practice. One study found that patients were three times more likely to qualify for mixed features under the DSM-5 than for a mixed episode under the DSM-4.⁴

Mixed features aren't limited to one type of bipolar diagnosis; they can show up in bipolar I, bipolar II, and even major depressive disorder (MDD). It's worth noting that MDD with mixed features is technically still MDD, since the patient hasn't met the full criteria for a manic or hypomanic episode. But these patients are at higher risk of developing bipolar I or II disorder, so close monitoring is important to catch that shift if it happens.

About 40% of people with bipolar disorder experience mixed states at some point.¹ That makes mixed episodes far more common than many patients and providers realize.

What does a mixed episode feel like?

The hallmark of a mixed episode is contradiction. You may have racing thoughts, but their content is hopeless or self-critical. You may feel physically agitated but unmotivated to do anything about it. You may be completely exhausted but unable to fall asleep.  

Psychiatrists sometimes describe this as "wired but despairing.”⁵ There's no clear distinction between highs and lows; the symptoms coexist. A patient writing for the International Bipolar Foundation described it as an intense urge to do something, paired with a body that feels pulled down by gravity.⁶

That contradiction is what separates a mixed episode from ordinary mood swings. In a pure depressive episode, energy tends to drop along with mood. In a pure manic episode, energy and mood both rise. But in a mixed episode, the signals cross. The result is a state that many people find more distressing than either mania or depression alone.⁷

Not everyone experiences mixed episodes the same way. Some people have more manic symptoms than depressive ones, or vice versa.  

How do you know if you're having a mixed episode?

On the manic side, common symptoms that show up during mixed episodes include:

• Agitation or restlessness
• Racing thoughts or pressured speech (when words come out faster than you can control)
• Increased impulsivity or risk-taking
• Irritability or anger that seems out of proportion
• Decreased need for sleep (even though you feel tired)

On the depressive side:

• Hopelessness, guilt, or feelings of worthlessness
• Suicidal thoughts or thoughts of self-harm
• Loss of interest in things you usually enjoy
• Fatigue or physical heaviness
• Difficulty concentrating (beyond the racing thoughts)

The most important thing to look for is overlap. These opposite symptoms happen within the same period, not just on alternating days. The DSM-5 requires at least three symptoms from the opposite pole to be present during most days of the episode.²

Mixed episodes often get misdiagnosed. From the outside, they can look like agitated depression, an anxiety disorder, ADHD, or borderline personality disorder. Clinicians who aren’t looking for the manic component may diagnose depression alone. As a result, they may prescribe the wrong medication, which can make things even worse.  

One practical step: track your mood, energy, sleep, and thoughts for a few days, noting when symptoms seem to contradict each other. Then bring that log to a psychiatrist. It gives them a clearer picture than a single appointment can. You can also take a bipolar disorder test as a starting point.

Can you have a mixed episode with bipolar II?

Yes. Mixed features can occur in both bipolar I (characterized primarily by mania) and bipolar II (characterized primarily by depression). Under the DSM-5, the mixed features specifier isn’t limited to bipolar I.²

Many people assume mixed episodes only happen with the full-blown mania of bipolar I. But research shows that mixed features may actually be more common in bipolar II.⁸ Up to 40% of people with bipolar II experience mixed states at some point.⁸

In bipolar II, people spend far more of their symptomatic time in depressive episodes than in hypomanic ones. ⁹ That means a mixed episode often looks more like depression, but with racing thoughts, irritability, or agitation mixed in.  

This overlap is one reason bipolar II is often mistaken for major depressive disorder. A person may seek help for depression, and without screening for hypomanic symptoms, the mixed features go unrecognized.

Are mixed episodes considered more dangerous?

Mixed episodes are associated with a higher risk of suicide than either mania or depression alone.¹⁰ If you’re having thoughts of self-harm or suicide, call 988 (Suicide and Crisis Lifeline) or 911 right away.

The reason comes down to a dangerous combination: depression can bring hopelessness and thoughts of suicide, while mania can bring impulsivity and the energy to act. When both are present at the same time, the suicide risk increases sharply. One study found that young adults in a mixed episode had a 13.5 times higher probability of suicide risk compared to control groups.¹⁰ That risk was 5.67 times higher than during a manic or hypomanic episode, and 2.18 times higher than during a depressive episode.¹⁰ A separate five-year study found that suicide attempts occurred most often during mixed states.¹¹

The risk isn’t just about being in a mixed episode; it’s tied to the mix itself. Research shows that the more manic symptoms are present during a depressive episode, the higher the risk of a suicide attempt.¹²

Beyond suicide risk, mixed episodes tend to last longer and are harder to treat than non-mixed episodes.¹⁴ They’re also linked to higher rates of substance use, more frequent episode recurrence, and greater functional impairment.⁸

None of this means a mixed episode is untreatable. It’s just harder to spot, because it doesn’t look like either textbook depression or textbook mania. The good news is that once a psychiatrist identifies what’s actually happening, they can tailor treatment to address both sides of it. And that’s often when people finally start to feel some relief.  

If you or someone you know is in crisis, call 911 or the Suicide and Crisis Lifeline at 988 right away.

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How are mixed episodes treated?

Treatment for bipolar mixed episodes typically involves mood stabilizers or atypical antipsychotics, either alone or in combination.³

Mood stabilizers are often a first step. Lithium is one of the most studied: beyond stabilizing mood, it’s also been shown to reduce suicide risk in bipolar patients.¹⁵ Valproate (Depakote) is another option, though it has more limited evidence for bipolar depression and carries significant risks during pregnancy.¹⁶

Atypical antipsychotics play a major role in treating mixed states. Olanzapine has some of the strongest evidence for acute manic episodes with mixed features.³ Quetiapine, aripiprazole, and cariprazine are also commonly used. Lumateperone is the only medication studied in a trial designed specifically for patients with mixed features. It showed significant improvement at six weeks (though it isn’t yet FDA-approved for this use).¹⁷

Antidepressants can be a problem. Taking an antidepressant without a mood stabilizer during a mixed episode can increase agitation, destabilize mood, or push the episode toward mania. According to international treatment guidelines, there’s not enough evidence for the use of antidepressants in the treatment of bipolar disorder with mixed features.³ This is why an accurate diagnosis from a psychiatrist makes a difference: a primary care doctor treating depression alone may not catch the manic component, but a psychiatrist can recognize it and choose bipolar disorder medication accordingly.

Therapy can complement medication. Cognitive behavioral therapy (CBT) and interpersonal and social rhythm therapy (IPSRT) can help with mood tracking, routine building, and identifying triggers. But therapy without medication isn’t sufficient for mixed episodes, or for bipolar disorder in general.  

For preventing future episodes, research supports combining a mood stabilizer with an atypical antipsychotic. That combination shows lower recurrence rates than either medication type alone.¹⁸ You can learn more about your options in our guide to bipolar medications.

Mixed episodes vs. rapid cycling: what's the difference?

As we’ve covered, a mixed episode is when depressive and manic symptoms overlap. Rapid cycling, on the other hand, means having four or more distinct episodes in a single year.¹⁹

These are different things, but they can coexist. The easiest way to tell them apart: rapid cycling involves separate episodes with periods of recovery (or switches to the opposite mood) between them. Mixed episodes involve simultaneous symptoms within one episode.

If your mood changes within hours and includes both depressive and manic symptoms at the same time, that’s more consistent with a mixed episode. If you cycle between distinct periods of depression and mania multiple times per year, that’s rapid cycling. Each episode of rapid cycling typically lasts days to months.²⁰

Some researchers have noted that ultra-rapid mood shifts (changing within a single day) are more likely to represent mixed states than true rapid cycling.^{19, 20} The two can overlap, and both can complicate treatment.

The bottom line

Mixed episodes are one of the most difficult parts of bipolar disorder to recognize, and one of the most important to treat correctly. They’re more common than most people think, and they carry real risk.

If any of this sounds like what you or someone you know is going through, talking to a psychiatrist is a reasonable next step. A psychiatrist can figure out whether mixed features are present and adjust treatment to address both sides of the episode.

Getting started with Talkiatry

Talkiatry is a national psychiatry practice that makes it easier to get care from doctors who listen. Start by answering a few questions online, then get matched with a psychiatrist based on your needs. From there, you can schedule a visit, often within days, and meet with your provider from home. First visits are 60 minutes, so there's time to talk through what's going on and build a treatment plan together. Talkiatry is in-network with most major insurers, and you can check your coverage during the free online assessment.

Take our free online assessment

Medical disclaimer and sources

The information in this article is for informational and educational purposes only and should never be substituted for medical advice, diagnoses, or treatment. If you or someone you know may be in danger, call 911 or the National Suicide and Crisis Lifeline at 988 right away.

Sources

1. Muneer A. “Mixed States in Bipolar Disorder: Etiology, Pathogenesis and Treatment.” Chonnam Medical Journal. 53(1):1-13. January 2017. https://pmc.ncbi.nlm.nih.gov/articles/PMC5299125/

2. American Psychiatric Association. “Mixed Features Specifier.” DSM-5 fact sheet. May 2013. https://www.psychiatry.org/File%20Library/Psychiatrists/Practice/DSM/APA_DSM-5-Mixed-Features-Specifier.pdf  

3. Grunze H, et al. “The World Federation of Societies of Biological Psychiatry (WFSBP) Guidelines for the Biological Treatment of Bipolar Disorders.” World Journal of Biological Psychiatry.19(1):2-58. November 2017. https://pubmed.ncbi.nlm.nih.gov/29098925/

4. Richmond L. “Be on Lookout for Patients With Bipolar ‘Mixed Features,’ Advises Expert.” Psychiatric News. 56(4). April 2021. https://psychiatryonline.org/doi/10.1176/appi.pn.2021.5.17

5. Phelps J. “Mixed States in Bipolar.” BP Magazine. Updated August 2025. https://www.bphope.com/ask-the-doctor-mixed-states-bipolar-disorder/

6. International Bipolar Foundation. “4 Signs You Are Experiencing a Mixed Episode.” 2025. https://ibpf.org/4-signs-you-are-experiencing-a-mixed-episode/  

7. Mortensen GL, et al. “Bipolar Patients' Quality of Life in Mixed States.” Psychopathology. 48(3):192. April 2015. https://karger.com/psp/article/48/3/192/284994/

8. Berk M, et al. “Bipolar II disorder: a state-of-the-art review.” World Psychiatry. 24(2):175-189. May 2025. https://pmc.ncbi.nlm.nih.gov/articles/PMC12079553/

9. Judd LL, et al. “The Long-term Natural History of the Weekly Symptomatic Status of Bipolar II Disorder.” Archives of General Psychiatry. 60(3):261-269. March 2003. https://pubmed.ncbi.nlm.nih.gov/12622659/

10. Sverdlichenko I, et al. “Mixed episodes and suicide risk.” Journal of Affective Disorders. 266:252-257. April 2020. https://pubmed.ncbi.nlm.nih.gov/32056885/

11. Pallaskorpi S, et al. “Incidence and predictors of suicide attempts in bipolar I and II disorders: A 5-year follow-up study.” Bipolar Disorders. 19(1):13-22. February 2017. https://pubmed.ncbi.nlm.nih.gov/28176421/

12. Peyre H, et al. “Mixed Features and Nonfatal Suicide Attempt in Major Depressive Episode.” Journal of Clinical Psychiatry.85(4). December 2024. https://www.psychiatrist.com/wp-content/uploads/2024/11/mixed-features-suicide-risk-major-depressive-episode-24m15445.pdf

13. Bartoli F, et al. “Clinical correlates of DSM-5 mixed features in bipolar disorder: A meta-analysis.” Journal of Affective Disorders. 276:234-240. November 2020. https://pubmed.ncbi.nlm.nih.gov/32697704/

14. Sole E, et al. “Mixed features in bipolar disorder.” CNS Spectrums. 22(2):134-140. December 2016. https://pubmed.ncbi.nlm.nih.gov/28031070/

15. Tondo L, Baldessarini RJ. “Lithium and suicidality.” International Journal of Bipolar Disorders. 12(1):6. March 2024. https://pubmed.ncbi.nlm.nih.gov/38460088/

16. Walters J. “Bipolar Disorder With Mixed Features: Recognition and Treatment, With Roger McIntyre, MD, at APA.” Psychiatric Times. May 2026. https://www.psychiatrictimes.com/view/bipolar-disorder-with-mixed-features-recognition-and-treatment-with-roger-mcintyre-md-at-apa

17. Durgam S, et al. “Lumateperone for the Treatment of Major Depressive Disorder With Mixed Features or Bipolar Depression With Mixed Features: A Randomized Placebo-Controlled Trial.” Journal of Clinical Psychopharmacology. 45(2):67-75. April 2025. https://pubmed.ncbi.nlm.nih.gov/39946099/

18. Kishi T, et al. “Mood stabilizers and/or antipsychotics for bipolar disorder in the maintenance phase: a systematic review and network meta-analysis.” Molecular Psychiatry. 26(8):4146-4157. August 2021. https://pubmed.ncbi.nlm.nih.gov/33177610/

19. Carvalho AF, et al. “Rapid cycling bipolar disorder: a systematic review.” Journal of Clinical Psychiatry. 5:e578-e586. June 2014. https://www.psychiatrist.com/jcp/rapid-cycling-bipolar-disorder-systematic-review/

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Frequently asked questions

How long does a mixed episode last?

It depends on the type of episode. A manic episode with mixed features typically lasts at least one week. A depressive episode with mixed features lasts at least two weeks. A hypomanic episode with mixed features lasts at least four days.² Research suggests mixed episodes tend to last longer and have lower remission rates than non-mixed episodes.¹⁴

Can a mixed episode include psychosis?

In some cases, yes. Psychotic features like hallucinations or delusions can occur during mixed episodes, particularly in bipolar I. When psychosis is present, the episode is typically more urgent, and treatment may include antipsychotic medication in addition to mood stabilizers.

Can antidepressants make a mixed episode worse?

They can. Taking an antidepressant without a mood stabilizer during a mixed episode may increase agitation, worsen impulsivity, or push the episode toward mania. International guidelines rate antidepressants as lacking evidence for bipolar mixed features,³ so psychiatrists typically use mood stabilizers or atypical antipsychotics as first-line treatment.

What should I do if I think I'm having a mixed episode?

Track your symptoms for a few days: mood, energy, sleep, and the content of your thoughts. Then reach out to a psychiatrist. That log can help them see the pattern. If you’re having thoughts of self-harm or suicide, call 988 (Suicide and Crisis Lifeline) or 911 right away.

Is a mixed episode always part of bipolar disorder?

Not necessarily. Under the DSM-5, the "with mixed features" specifier can be applied to depressive episodes in people with major depressive disorder, not only bipolar disorder.² That said, mixed features during a depressive episode can sometimes be an early sign of an inaccurate or incomplete diagnosis. A psychiatrist can help clarify.