ALS
		
How Is ALS Diagnosed? — Page 2
            
        
    
    
    
The ALS exam
To receive an amyotrophic lateral sclerosis diagnosis, you’ll see a doctor who specializes in diseases of the brain and spinal cord, called a neurologist. First the doctor will ask about your family and personal medical history. Then you’ll be asked about your symptoms, including when they started.
During a neurological exam, the doctor will check for amyotrophic lateral sclerosis symptoms like these:
- Weakness, often on one side of your body
 - Slurred speech and trouble moving your mouth and tongue
 - Muscle twitches
 - Rigid, tight muscles
 - Exaggerated reflexes
 - Uncontrollable laughter or crying
 - Mental changes, such as trouble recognizing or remembering words
 
Certain criteria help doctors make an amyotrophic lateral sclerosis diagnosis. These include:
- Signs of damage to upper motor neurons in your brain
 - Signs of damage to lower motor neurons in your brainstem and spinal cord
 - Progression of symptoms from one part of your body to another
 - Lack of evidence of other diseases that cause similar symptoms
 
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Updated:  
April 07, 2023
Reviewed By:  
Christopher Nystuen, MD, MBA