What Happens With Untreated ADHD in Adulthood?

So, what does happen to untreated ADHD in adulthood? I live with someone who I suspect has ADHD, but she has not seen a doctor for it. I am by no means a doctor, but I know the symptoms, and she definitely has most of them. She keeps telling me she doesn’t want to be put on meds, which I can understand, since I don’t care for meds either.

My question again, but what happens if it goes untreated? Does it consume your life so that you can’t function anymore? I hope to answer these questions and many more in this post.

So, what exactly is ADHD? Attention deficit hyperactivity disorder (ADHD) is a condition that affects people’s behavior. People with ADHD can seem restless, may have trouble concentrating, and may act on impulse.

Time management is usually a common symptom with ADHD. I know my roommate is always late for work and appointments. Basically, she’s late to everything. She’s been working at a restaurant for a long time, and they just put up with her tardiness. Although, she’s been written up for it many times.

I can relate to impulsivity because I am bipolar. So, being impulsive takes a lot of restraint not to be. It may seem fine in the moment, but it comes back to bite you in the butt in the end. Especially with buying products. You wonder why you’re always broke, not thinking about all the money you spent. At the time, you don’t notice you are being impulsive or you don’t think so.

Untreated ADHD in adulthood can lead to severe forgetfulness. Forgetfulness is also something that I deal with daily. Imagine reading an article, finishing with it, and not remembering what you have just read. It’s one of those things, as they say, “it goes one ear and out the other.” I’m working with a speech therapist to improve my memory. It’s become that bad.

People with ADHD often put off tasks, even when they know how important it is to get them done. But this kind of procrastination isn’t about being lazy or unmotivated—it’s connected to how ADHD uniquely affects the brain, especially when it comes to things like planning, managing time, and handling emotions.

People with ADHD might struggle with low self-esteem. Challenges with organization, time management, and follow-through can sometimes leave them feeling frustrated or discouraged. This can be especially tough for kids who are often compared to their peers in school.

Anxiety is common for people with ADHD, as racing thoughts and trouble focusing can make things feel overwhelming and stressful. Basically, this anxiety can show up in different ways, like panic attacks, constant worry, or even physical symptoms like stomachaches or headaches.

For individuals with ADHD, time management can be a big source of anxiety. Accordingly, keeping up with multiple tasks and deadlines can feel overwhelming, often leading to stress and frustration. On top of that, the impulsivity that comes with ADHD can sometimes lead to quick decisions that don’t always work out, adding to those anxious feelings.

With experiencing anxiety daily, I sometimes struggle to get through the day. I find myself fidgeting a lot. The tremors are there, and my mind wanders a lot. Sometimes I have difficulty writing these posts. But I get through the day, sleep on it, and start the day all over again.



Untreated ADHD in adulthood could lead to severe depression. Depression in individuals with ADHD can manifest in various ways. Some may feel constantly overwhelmed and exhausted due to the demands of managing their symptoms. Others may struggle with low self-esteem or feelings of hopelessness.

It’s important for those with both ADHD and depression to prioritize self-care and establish a support system. This may include setting manageable goals, practicing mindfulness and relaxation techniques, and seeking support from loved ones or a therapist.

I know with the depression I feel, it pops up every now and then. It happened yesterday, I woke up like that. Nothing happened during the night, it just happened. I did some meditation, which helped lift my mood. Meditation for me is my saving grace.

When left untreated, severe ADHD in adults can create serious challenges in many areas of life. Let’s take a closer look at some of the potential impacts:

  • Chronic Stress and Anxiety: Always trying to meet expectations can sometimes feel overwhelming and lead to stress or anxiety.
  • Depression:It’s normal to feel frustrated, down, or even stuck when ADHD symptoms aren’t managed.
  • Emotional Dysregulation: Struggling to manage emotions can sometimes lead to mood swings, irritability, or occasional outbursts.
  • Conflict with Partners or Family: Altogether, being impulsive, forgetful, or inattentive can sometimes put a strain on relationships, causing misunderstandings or hurt feelings.
  • Social Isolation: Furthermore, struggling to stay focused in conversations or navigate social cues can sometimes make people feel isolated or lonely.
  • Job Instability: Struggling with time management, staying organized, or meeting deadlines can make it harder to perform well at work or even put your job at risk.
  • Financial Problems: Above all, impulsive spending, forgetting to pay bills, and not planning ahead financially can sometimes lead to debt or instability.
  • Neglect of Self-Care: Unhealthy eating habits, irregular sleep, and skipping exercise are things many of us struggle with.
  • Higher Risk of Accidents: Impulsivity and inattention can occasionally lead to risky choices, like reckless driving or engaging in other unsafe behaviors.
  • Substance Abuse: Some adults might use drugs or alcohol to cope or manage their symptoms.
  • Executive Dysfunction: Comparatively, struggling with planning, organizing, and getting tasks done can make daily life feel pretty overwhelming.
  • Time Blindness: A tricky sense of time can sometimes cause chronic lateness or missed deadlines.
  • Risky Behaviors: Undoubtably, impulsivity can sometimes cause problems, like reckless driving or other spur-of-the-moment decisions, that could lead to trouble.
  • Difficulty Maintaining Friendships: Being forgetful or distracted can make it tricky to keep relationships thriving.
  • Adults with severe untreated ADHD in adulthood often find themselves caught in a cycle of frustration, guilt, and feeling like they’re not reaching their full potential, which can take a toll on their overall quality of life.

Treatment—whether it’s therapy, medication, coaching, or lifestyle changes—can make a big difference in managing symptoms and improving daily life.

Consequently, ADHD and burnout are closely linked, as people with untreated ADHD in adulthood often face unique challenges in managing their symptoms and daily tasks, making them more likely to experience burnout.

Burnout is a state of emotional, mental, and physical exhaustion caused by prolonged stress or overwork. It’s often associated with feelings of:

  • Overwhelm: Struggling to keep up with demands.
  • Fatigue: Persistent tiredness that doesn’t improve with rest.
  • Detachment: Feeling emotionally distant or unmotivated.
  • Reduced Performance: Difficulty concentrating or completing tasks.

Overall, people with ADHD can be more prone to burnout, and here’s why:

People with ADHD often push themselves to “keep up” with neurotypical peers, which can be exhausting. This is called “masking,” and can lead to burnout. That’s why it’s so important to recognize your own limits and make self-care a priority.

Struggling with organization, time management, and prioritization can leave you feeling overwhelmed and stressed. It might feel like you’re always trying to catch up, never quite able to relax or enjoy your downtime. These challenges can also spill over into your work and personal life, leading to missed deadlines, forgotten plans, and moments of tension in your relationships.

Many people with ADHD set really high standards for themselves, which can lead to frustration and burnout when those goals feel out of reach. It’s especially tough in a world that seems to value productivity and achievement over everything else.

Untreated ADHD in adulthood has trouble with emotions. Difficulty managing emotions, which can amplify stress and make it harder to recover from setbacks. However, by developing emotional intelligence, we can learn to recognize and regulate our emotions, leading to better mental health and resilience.


Hyper-focus—intense concentration on a task—can be super productive, but it’s easy to forget about basic self-care like eating, sleeping, or taking breaks. This can leave you feeling burned out and take a toll on your mental health. Finding a balance between getting things done and taking care of yourself is key to staying happy and healthy!


The fear of criticism or failure can sometimes push us to overwork ourselves just to avoid letting others down. But chasing perfection and seeking constant validation can take a toll, leading to burnout and impacting our mental health. It’s so important to notice the signs of overworking and find ways to manage those feelings before they g et overwhelming.

Subsequently, burnout in individuals with ADHD may look like:

  • Extreme fatigue and lack of motivation.
  • Increased forgetfulness or disorganization.
  • Emotional outbursts or heightened irritability.
  • Difficulty focusing, even on tasks they usually enjoy.
  • Feeling overwhelmed by even small responsibilities.
  • Physical symptoms like headaches, insomnia, or muscle tension.

  • Set Realistic Goals: Break tasks into smaller, manageable steps to avoid overwhelm.
  • Prioritize Self-Care: Ensure you’re eating well, sleeping enough, and taking breaks.
  • Learn to Say No: Avoid overcommitting to tasks or responsibilities.
  • Use ADHD-Friendly Tools: Timers, planners, and apps can help with organization and time management.
  • Seek Support: Therapy, coaching, or ADHD support groups can provide guidance and understanding.
  • Practice Emotional Regulation: Techniques like mindfulness or journaling can help manage stress and emotions.
  • Consider Treatment: Medication or therapy can help address ADHD symptoms, reducing the risk of burnout.

Untreated ADHD in adulthood can cause severe symptoms. I’ve watched my roommate go through the trials and tribulations of going through each day when something always goes wrong. Her motto is, “if I didn’t have any bad luck, I wouldn’t have any luck at all!” I’m sorry, but I couldn’t go through life like that. If she doesn’t want the meds, at least try therapy.

I’m one of those who believes that if something is wrong, at least try to find some solution. There may not be one, but at least you tried. My roommate pretends nothing is wrong. I’ve even brought it up to her several times. I only suggest I don’t force. One can only hope. Peace and always love. Until next time…

Suffering in Silence: The Long-Term Risks of Untreated ADHD

What to know about untreated ADHD in adults

Understanding ADHD

Untreated ADHD in Adults

Knowing You’re Having A Nervous Breakdown(Opens in a new browser tab)

Beyond the Smile: Unmasking Depression in the Elderly(Opens in a new browser tab)

Brain Battles: Understanding ADHD and Anxiety(Opens in a new browser tab)

Beyond the Diagnosis: Thriving with Schizophrenia(Opens in a new browser tab)

The Trials of Anxious ADD(Opens in a new browser tab)

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About Me

Hi, I’m Cindee, the creator and author behind one voice in the vastness of emotions. I’ve been dealing with depression and schizophrenia for three decades. I’ve been combating anxiety for ten years. Mental illnesses have such a stigma behind them that it gets frustrating. People believe that’s all you are, but you’re so much more. You can strive to be anything you want without limitations. So, be kind.

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