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Even though it sounds like ADHD, couldn't it be another illness? (Attention Deficit Hyperactivity Disorder - ADHD)

Even though it sounds like ADHD, couldn't it be another illness? (Attention Deficit Hyperactivity Disorder - ADHD)

Do you also find it difficult to sit still? Do you have a tendency to listen carefully to what someone is saying, or to do things in an orderly manner? Do you often forget things, get angry easily, sometimes fight, or steal? When you hear these symptoms, you may also think that this is ADHD ( Attention Deficit Hyperactivity Disorder). However, sometimes this may not be ADHD at all. Or there may be another condition along with ADHD. Let's find out more about this.

Conditions that look like ADHD, but aren't ADHD

The symptoms of some medical conditions are very similar to those of ADHD, so it's likely that the two will overlap. Let's take a look at some of these conditions.

Medical condition How is it similar to ADHD? (Common features)
Anxiety I'm constantly thinking and worrying about things like school and work. This makes me feel heavy and tired. I can't focus. I can't sleep.
Borderline Personality Disorder It is very difficult to control emotions. Sudden extreme anger, sadness, and fear can last for hours, sometimes days. They act impulsively, and lose confidence in themselves. These behaviors can be similar to the restlessness of ADHD.
Disruptive Behavior Disorders Arguing and getting angry all the time. May behave aggressively towards others, even animals. Destroys things, lies, steals. People with Oppositional Defiant Disorder (ODD) in particular blame others. Conduct Disorder (CD) tends to break serious rules.
Hypothyroidism When the thyroid gland in the neck produces less hormones, it affects brain function. This can cause brain fog, forgetfulness, and difficulty concentrating. These symptoms are similar to the forgetfulness and attention problems of ADHD.
Learning Disabilities Even if you are intelligent, you may have difficulty learning or using new things. You may have difficulty paying attention, completing tasks, and staying organized. This can also be associated with ADHD.
Mood Disorders In this, you feel sad and hopeless all the time. You have trouble paying attention, and you feel worthless. In Bipolar Disorder , you may experience periods of extreme happiness and energy, followed by periods of severe depression. These behavioral patterns are similar to the symptoms of ADHD.
Schizophrenia This is a serious mental illness. It can also cause problems with attention, difficulty controlling emotions, and unusual behavior.
Substance Abuse Drug and alcohol use can also cause memory loss, difficulty making decisions, and problems at school or work. It is also important to remember that children with ADHD are more likely to turn to drugs.
Tics and Tourette's Syndrome Tics are involuntary movements of body parts or sudden sounds. Tourette's Syndrome is a more severe condition. It involves repeating words or sounds out loud, blinking, and involuntary movements of the limbs. Many people with these conditions also have ADHD.

Other reasons that may feel like ADHD, even though they are not a disease

Sometimes this doesn't have to be a medical condition. Some of the shortcomings in our lifestyle can also cause symptoms like ADHD.

Dehydration

Think about it, water is essential for your brain to function properly. When your body doesn't have enough water , which means you're dehydrated, you can have trouble thinking clearly, paying attention, solving problems, and making decisions. This is exactly like the attention deficit disorder of ADHD.

Sleep Disorders

A full, restorative sleep is essential for our bodies and minds to function properly. Not getting enough sleep can lead to daytime problems with attention, memory, and decision-making. This is another reason why ADHD can be mistaken for ADHD.

How to accurately diagnose the disease?

The most important thing is not to make decisions on your own as soon as you feel you have these symptoms.

To find out for sure if this is ADHD or something else, you can seek the help of several specialists . For example:

When you see a doctor like this, he or she will determine whether your symptoms are caused by ADHD, another condition, or both.

You will usually first undergo a complete physical examination . Your eyes and ears will also be checked to rule out other medical conditions. Your condition will then be assessed using a checklist , often including ADHD symptoms .

Also, if you are diagnosed with ADHD and another condition, your doctor will decide which one to treat first. This will depend on which condition is having the most impact on your life. It may be easier to manage the symptoms of the other condition by treating ADHD first.

Take-Home Message

  • Symptoms similar to ADHD (difficulty paying attention, restlessness) can also be caused by other medical conditions and lifestyle problems.
  • Things like anxiety, mood disorders, and thyroid problems (hypothyroidism) can coexist with ADHD.
  • If you or your child has any of these symptoms, never make decisions on your own. Always consult a qualified doctor for advice.
  • An accurate diagnosis can lead to the most effective treatment plan.

ADHD, ADHD Sinhala, attention problems, restlessness, mental health, misdiagnosis, ADHD-like illnesses
⚠️ Important: The medical articles and information on Nirogi Lanka are for general awareness only, and are by no means a substitute for professional medical advice, diagnosis, or treatment. For any medical problem you have, consult a qualified physician immediately.

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Even though it sounds like ADHD, couldn't it be another illness? (Attention Deficit Hyperactivity Disorder - ADHD)
SymptomsMay 30, 2026

Even though it sounds like ADHD, couldn't it be another illness? (Attention Deficit Hyperactivity Disorder - ADHD)

Do you also find it difficult to sit still? Do you have a tendency to listen carefully to what someone is saying, or to do things in an orderly manner? Do you often forget things, get angry easily, sometimes fight, or steal? When you hear these symptoms, you may also think that this is ADHD ( Attention Deficit Hyperactivity Disorder). However, sometimes this may not be ADHD at all. Or there may be another condition along with ADHD. Let's find out more about this.

Conditions that look like ADHD, but aren't ADHD

The symptoms of some medical conditions are very similar to those of ADHD, so it's likely that the two will overlap. Let's take a look at some of these conditions.

Medical condition How is it similar to ADHD? (Common features)
Anxiety I'm constantly thinking and worrying about things like school and work. This makes me feel heavy and tired. I can't focus. I can't sleep.
Borderline Personality Disorder It is very difficult to control emotions. Sudden extreme anger, sadness, and fear can last for hours, sometimes days. They act impulsively, and lose confidence in themselves. These behaviors can be similar to the restlessness of ADHD.
Disruptive Behavior Disorders Arguing and getting angry all the time. May behave aggressively towards others, even animals. Destroys things, lies, steals. People with Oppositional Defiant Disorder (ODD) in particular blame others. Conduct Disorder (CD) tends to break serious rules.
Hypothyroidism When the thyroid gland in the neck produces less hormones, it affects brain function. This can cause brain fog, forgetfulness, and difficulty concentrating. These symptoms are similar to the forgetfulness and attention problems of ADHD.
Learning Disabilities Even if you are intelligent, you may have difficulty learning or using new things. You may have difficulty paying attention, completing tasks, and staying organized. This can also be associated with ADHD.
Mood Disorders In this, you feel sad and hopeless all the time. You have trouble paying attention, and you feel worthless. In Bipolar Disorder , you may experience periods of extreme happiness and energy, followed by periods of severe depression. These behavioral patterns are similar to the symptoms of ADHD.
Schizophrenia This is a serious mental illness. It can also cause problems with attention, difficulty controlling emotions, and unusual behavior.
Substance Abuse Drug and alcohol use can also cause memory loss, difficulty making decisions, and problems at school or work. It is also important to remember that children with ADHD are more likely to turn to drugs.
Tics and Tourette's Syndrome Tics are involuntary movements of body parts or sudden sounds. Tourette's Syndrome is a more severe condition. It involves repeating words or sounds out loud, blinking, and involuntary movements of the limbs. Many people with these conditions also have ADHD.

Other reasons that may feel like ADHD, even though they are not a disease

Sometimes this doesn't have to be a medical condition. Some of the shortcomings in our lifestyle can also cause symptoms like ADHD.

Dehydration

Think about it, water is essential for your brain to function properly. When your body doesn't have enough water , which means you're dehydrated, you can have trouble thinking clearly, paying attention, solving problems, and making decisions. This is exactly like the attention deficit disorder of ADHD.

Sleep Disorders

A full, restorative sleep is essential for our bodies and minds to function properly. Not getting enough sleep can lead to daytime problems with attention, memory, and decision-making. This is another reason why ADHD can be mistaken for ADHD.

How to accurately diagnose the disease?

The most important thing is not to make decisions on your own as soon as you feel you have these symptoms.

To find out for sure if this is ADHD or something else, you can seek the help of several specialists . For example:

When you see a doctor like this, he or she will determine whether your symptoms are caused by ADHD, another condition, or both.

You will usually first undergo a complete physical examination . Your eyes and ears will also be checked to rule out other medical conditions. Your condition will then be assessed using a checklist , often including ADHD symptoms .

Also, if you are diagnosed with ADHD and another condition, your doctor will decide which one to treat first. This will depend on which condition is having the most impact on your life. It may be easier to manage the symptoms of the other condition by treating ADHD first.

Take-Home Message

  • Symptoms similar to ADHD (difficulty paying attention, restlessness) can also be caused by other medical conditions and lifestyle problems.
  • Things like anxiety, mood disorders, and thyroid problems (hypothyroidism) can coexist with ADHD.
  • If you or your child has any of these symptoms, never make decisions on your own. Always consult a qualified doctor for advice.
  • An accurate diagnosis can lead to the most effective treatment plan.

ADHD, ADHD Sinhala, attention problems, restlessness, mental health, misdiagnosis, ADHD-like illnesses
⚠️ Important: The medical articles and information on Nirogi Lanka are for general awareness only, and are by no means a substitute for professional medical advice, diagnosis, or treatment. For any medical problem you have, consult a qualified physician immediately.

💬 Comments (0)

No comments have been posted yet. Add your comment here for the first time.

Add your comment

Please calculate: 9 + 4 =