Dysarthria Symptoms, Causes and Treatment Options
Learn about the symptoms, causes, and treatment options for dysarthria, a motor speech disorder. Understand how it affects speech clarity and discover effective therapies to improve communication.
Written by Dr. Rohinipriyanka Pondugula
Reviewed by Dr. J T Hema Pratima MBBS
Last updated on 2nd Sep, 2025
Dysarthria is a speech disorder that affects many people, making it difficult to speak clearly. If you or someone you know struggles with slurred or slow speech, weak voice control, or trouble pronouncing words, this article will help you understand the condition better and explore ways to manage it.
What is Dysarthria?
Dysarthria occurs when the muscles used for speech—such as those in the lips, tongue, vocal cords, or diaphragm—become weak or hard to control. This can happen due to brain damage, nerve disorders, or muscle weakness. People with dysarthria often find it challenging to speak clearly, which can affect communication and daily life.
Common Symptoms of Dysarthria
The symptoms of dysarthria vary depending on the cause and severity, but they often include:
Slurred or slow speech – Words may sound unclear or mumbled.
Monotone voice – Difficulty changing pitch or tone while speaking.
Breathy or hoarse voice – Speech may sound weak or strained.
Difficulty controlling volume – Speaking too loudly or too softly.
Trouble moving lips, tongue, or jaw – Makes forming words difficult.
Fast or slow speech rate – Words may come out too quickly or too slowly.
If you notice these symptoms in yourself or a loved one, it’s important to consult a doctor for proper diagnosis and treatment.
What Causes Dysarthria?
Dysarthria is usually caused by damage to the brain or nerves that control speech muscles. Some common causes include:
1. Neurological Conditions
Stroke
Brain injury
Parkinson’s disease
Multiple sclerosis (MS)
Amyotrophic lateral sclerosis (ALS or Lou Gehrig’s disease)
Cerebral palsy
2. Muscle or Nerve Disorders
Myasthenia gravis (a condition causing muscle weakness)
Muscular dystrophy
3. Other Causes
Side effects of certain medications (e.g., sedatives or muscle relaxants)
Alcohol or drug intoxication
Facial trauma
Since dysarthria can be linked to serious health conditions, early medical evaluation is crucial.
Consult a Neurologist for personalized tips
How is Dysarthria Diagnosed?
If you experience speech difficulties, a doctor or speech/language pathologist (SLP) will assess your condition through:
Physical examination – Checking muscle strength in the face, lips, and tongue.
Speech evaluation – Testing speech clarity, breathing, and voice control.
Imaging tests – MRI or CT scans to check for brain damage.
Nerve and muscle tests – EMG (electromyography) to assess nerve function.
Early diagnosis helps in managing the condition effectively.
Treatment Options for Dysarthria
While dysarthria may not always be cured, treatment can significantly improve speech and communication. Options include:
1. Speech Therapy
A speech/language pathologist (SLP) can help with:
Exercises to strengthen speech muscles.
Techniques to slow down speech for better clarity.
Breathing exercises to improve voice control.
2. Medical Treatments
Medications – If dysarthria is caused by muscle weakness (e.g., myasthenia gravis), medications may help.
Surgery – In rare cases, surgery may be needed to correct structural issues.
3. Assistive Communication Devices
For severe cases, devices like:
Speech-generating devices (tablets with voice output).
Augmentative and alternative communication (AAC) tools (picture boards or text-to-speech apps).
4. Lifestyle and Home Care Tips
Speak slowly and clearly – Take pauses between words.
Use short sentences – Makes communication easier.
Practice breathing exercises – Helps with voice strength.
Stay hydrated – Dry mouth can worsen speech difficulties.
Avoid alcohol and smoking – These can further weaken muscles.
When to See a Doctor?
If you or a loved one experiences sudden speech difficulties (especially after a head injury or stroke), seek immediate medical help. For gradual speech changes, consult a neurologist or speech therapist for evaluation.
How Apollo 24|7 Can Help?
If you suspect dysarthria, Apollo 24|7 offers:
Expert consultations with neurologists and speech therapists.
Diagnostic tests (MRI, CT scans, nerve tests).
Personalized treatment plans to improve speech and quality of life.
You can easily book a consultation or schedule a test through the Apollo 24|7 app or website.
Final Thoughts
Dysarthria can be challenging, but with the right treatment and support, communication can improve. If you notice speech difficulties, don’t hesitate to seek help. Early intervention makes a big difference!
Stay informed, stay healthy!
(Need expert advice? Book an appointment with Apollo 24|7 today!
Health topic carousel:
Doctor’s specialist: Neurology
Text: Consult a Neurologist
Consult a Neurologist for personalized tips
Dr. Prabash P R
Neurologist
16 Years • MBBS, MD, DM
Chennai
Apollo Speciality Hospitals Vanagaram, Chennai
(75+ Patients)
Dr. Amit Kapoor
Neurosurgeon
18 Years • D.N.B NeuroSurg.
Delhi
Apollo Hospitals Indraprastha, Delhi
Dr Debnath Dwaipayan
Neurosurgeon
9 Years • MBBS, MS(Gen. Surgery), DrNB (Neurosurgery)
Delhi
Apollo Hospitals Indraprastha, Delhi
Dr Chennareddy Preetham
Neurologist
10 Years • MBBS,MD (GEN.MED) DM(NEUROLOGY)
Chennai
Apollo First Med Hospitals P H Road, Chennai
Dr. Yogaraj S
Neurologist
25 Years • MBBS, MD (Int. Med.), DM (Neuro.)
Chennai
Apollo Hospitals Greams Road, Chennai
(100+ Patients)