Am I Bipolar? Understanding Mood Swings vs. Bipolar Disorder

This post on Bipolarism is written by Ellie Whiting

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Many, if not all, of us experience mood swings. Ups and downs are a natural part of life. Within one day, we can shift from feeling energetic, to highly irritated, to happy, and back to anger. One minute we feel great, and the next it can feel like everything is falling apart. Some of us experience this more than others.

Sometimes these quick shifts in our moods can be distressing. Not being able to trust yourself to be stable is difficult and can lead us to wonder things about ourselves, namely, am I bipolar?

These questions are valid, especially if these shifts in our mood happen often and are really impacting our lives. It is good to be aware of our mental states and open to possibilities, but before jumping to any conclusions it is important to know the difference between symptoms and full diagnoses. So, what is the difference between mood swings and Bipolar Disorder?

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What are normal mood swings?

Mood swings are sudden changes in how you feel. These shifts are often a result of something, even if it’s not always obvious. Research tells us that our mood is directly related to the chemicals in our brain. These chemicals, called neurotransmitters, rise and fall throughout our day depending on the things we do. Eating (or not eating), spending time outside, being with people we love, smelling something bad, or being around strangers all have a direct impact on these brain chemicals.

What makes these shifts “normal,” even when they feel intense in the moment, comes down to a few things:

• They pass: A bad mood might last minutes, an hour, maybe a day. It doesn’t stick around for a week straight.
• They’re proportional (mostly): Even when a mood feels bigger than the situation calls for, there’s usually still some connection to what’s going on (a rough night of sleep, a stressful conversation, hunger).
• You can still function: You might feel irritated, but you can still go to work/school, hold a conversation, make decisions.
• You have some control: A walk, a meal, a good night’s sleep, or venting to a friend can shift things.

Normal mood swings are part of being a person with a nervous system that responds to the world. The question is whether those swings look and behave differently than what is typical.

What is Bipolar Disorder?

Bipolar Disorder is not about having a bad day or feeling extra emotional, it is a psychological condition built around distinct episodes that clearly differ from someone’s normal self, often lasting days to weeks rather than hours.

There are two sides to it: 

• The “up” side (mania and hypomania) isn’t just feeling great or productive. It’s needing way less sleep without feeling tired, having racing thoughts, talking fast, and making impulsive choices that seem out of character. Mania is the more intense, disruptive version, and hypomania is milder and easier to miss. 
• The “down” side (depression) looks like persistent low mood, low energy, and loss of interest in things, lasting two weeks or more.

Bipolar I involves at least one full manic episode. Bipolar II involves hypomania and depression, without full mania. Either way, the key word is episodes. These are sustained shifts, not everyday ups and downs.

Key differences between mood swings and Bipolar Disorder

While the M-CHAT-R is widely used in primary care settings, additional screening tools may be implemented in clinical or early childhood contexts.

1. Screening Tool for Autism in Toddlers & Young Children (STAT): The Screening Tool for Autism in Toddlers & Young Children (STAT) is an interactive, play-based screening instrument administered by trained professionals. Unlike the M-CHAT-R, it involves direct observation of social communication behaviors in children aged 24–36 months (Stone et al., 2000).
2. Ages & Stages Questionnaires (ASQ-3 and ASQ:SE-2): The Ages & Stages Questionnaires (ASQ-3) and the Ages & Stages Questionnaires: Social-Emotional, Second Edition (ASQ:SE-2) are broad developmental screeners. Although not autism-specific, they identify delays in communication and social-emotional functioning that may warrant autism-specific follow-up (Squires & Bricker, 2009).
3. Communication and Symbolic Behavior Scales (CSBS DP): The Communication and Symbolic Behavior Scales Developmental Profile (CSBS DP) focuses on early communication, gestures, and symbolic play. It is particularly useful for identifying social communication delays in infants and toddlers (Wetherby & Prizant, 2002).

In Summary

It is natural to look for an explanation when your emotions feel unpredictable or hard to manage, and self-education is a healthy first step. Bipolar Disorder is a clinical diagnosis that depends on the full pattern, timeline, and severity of symptoms, not any one feeling or bad week. If you’re noticing signs that concern you, reach out to a mental health professional who can look at your full history and help you understand what may be happening.  

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References

National Institute of Mental Health. (2024). Bipolar Disorder. National Institute of Mental Health. https://www.nimh.nih.gov/health/topics/bipolar-disorder

‌ Mayo Clinic. (2024, August 14). Bipolar disorder. Mayo Clinic; Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/bipolar-disorder/symptoms-causes/syc-20355955

Cleveland Clinic. (2024, February 6). Mood Swings: When Are They a Problem? Cleveland Clinic. https://my.clevelandclinic.org/health/symptoms/mood-swings