Dysarthria is a condition in which the muscles you use for speech are weak or you have difficulty controlling them. Dysarthria often is characterized by slurred or slow speech that can be difficult to understand. Common causes of dysarthria include nervous system (neurological) disorders such as stroke, brain injury, brain tumors, and conditions that cause facial paralysis or tongue or throat muscle weakness. Certain medications also can cause dysarthria.
Signs and symptoms of dysarthria vary, depending on the underlying cause and the type of dysarthria, and may include: Slurred speech, slow speech, Inability to speak, louder than a whisper or speaking too loudly, Rapid speech that is difficult to understand Nasal, raspy or strained voice, Uneven or abnormal speech rhythm, uneven speech volume, monotone speech, difficulty moving your tongue or facial muscles etc.
Treatment for dysarthria depends on the severity of the disease. Speech and language therapy is the common therapy prescribed for this disease.Disease is usually vascular, neoplastic or degenerative. Around 85% of cases arise from strokes and around a third of people who have strokes will have dysphasia. In younger people it is usually a result of head injury.