https://www.iampsychiatry.com/adult-adhd-treatment Symptoms of Untreated ADHD in Adults Adults with untreated ADHD may include difficulties managing time and impulsivity. They may forget appointments or forget responsibilities. They can also struggle with emotional regulation and experience sudden mood swings. These difficulties can lead to problems in relationships, because family and friends might consider them to be lazy. These issues can result in depression and mental health problems. 1. Difficulty concentrating One of the most frequent issues people with untreated ADHD struggle with is difficulty in staying focused. They might have difficulty staying focused at work or at home. They may be prone to forgetfulness or fumbling with things. These challenges can lead to stress, anxiety and tension in relationships with friends and loved ones. Adults can have a harder time identifying symptoms of inattention and hyperactivity. This is due to the fact that behavior might look different in adults, such as a lack of organization or failing to meet deadlines at work instead of flitting or making quick decisions. Adult ADHD is often mistakenly diagnosed. This can lead to incorrect treatments and medications which do not address the root causes of the problem. Adults with ADHD who are not treated frequently have trouble managing their finances. They can make impulse purchases and spend more than they can afford, resulting in financial loss and debt. This can lead to anxiety and stress, increasing the risk of developing mood disorders like depression. Undiagnosed ADHD can make it difficult for some people to fall asleep and stay asleep. The bedroom may be overflowing with electronic devices, books or papers, or other distractions, which can disrupt the ability to sleep. To sleep well, you should ensure that your bedroom is quiet and tidy. You should also set an established time for bed. Additionally, people with undiagnosed ADHD might have trouble regulating their emotions