Lack of speech or absence of speech can occur due to both medical and psychological conditions. Absent speech or mutism can occur as a sign of catatonia, a state in which one is unresponsive but otherwise awake. Catatonia can be a sign or schizophrenia or other psychiatric conditions involving psychosis. It may also be a sign of severe depression or other emotional disorders. The antipsychotic medications listed below are used in the treatment of emotional conditions that may manifest as catatonia with lack of speech.
Aphasia is a term used to describe the loss of language or the ability to communicate, typically due to brain damage. Mutism is a speech disorder characterized by the inability to speak. Lack of speech development in children can occur due to deafness or hearing problems. In people who have developed speech, the onset of inability to speak can signal a stroke or other type of brain damage. Head injury, dementia, and brain tumors may be associated with the loss of speech or language functions.
Other causes of loss of speech
- Brain Trauma
- Cognitive Disability
- Delusional Disorder
- Drug-Induced Psychosis
- Hearing Loss
- Hearing Problems
- Neuroleptic Malignant Syndrome
- Selective Mutism
- Social Phobia
- Toxins
- Vegetative State

SLIDESHOW
17 Everyday Ways to Ease Depression See SlideshowPictures, Images, Illustrations & Quizzes
-
Alzheimer's Disease Symptoms & Early Diagnosis
Memory loss and confusion can be signs of normal aging, but also warning signs of Alzheimer's disease. The early stages of...
-
Caring for Someone With Alzheimer's Disease
Learn to spot early signs and symptoms of Alzheimer's disease and find out what to expect from the different stages of...
-
Picture of Multiple Sclerosis Symptoms
Symptoms of multiple sclerosis may be single or multiple and may range from mild to severe in intensity and short to long in...
-
The Stages of Dementia: Alzheimer's Disease and Aging Brains
What are the symptoms of dementia? What causes dementia? Dementia includes many disorders, such as Lewy Body dementia,...
-
What's Schizophrenia? Symptoms, Types, Causes, Treatment
What is the definition of schizophrenia? What is paranoid schizophrenia? Read about schizophrenia types and learn about...
Causes of Loss of Speech
-
14 Warning Signs and Symptoms of a Stroke FAST
Stroke is a serious medical condition. If you think you or someone you know is having a stroke call 911 immediately. There are two main types of strokes, hemorrhagic and ischemic (the most common type). A hemorrhagic stroke occurs due to a blood vessel rupture in the brain. An ischemic stroke occurs when a blood clot becomes lodged in a blood vessel in the brain, which causes a loss of blood supply to the brain, possibly causing brain tissue death. FAST is an acronym that helps people identify stroke signs and symptoms so they can act fast and call 911. Face drooping, Arm weakness, and Speech difficulty are indicators that a person may be having a stroke and it is Time to seek emergency medical treatment. Additional signs and symptoms of stroke may include weakness, difficulty walking, blurred vision, dizziness, headache, confusion, difficulty speaking, and loss of sensation. Stroke is a major cause of death and disability in the U.S. Early identification and treatment of stroke helps reduce the risk of morbidity and mortality.
-
Alzheimer's Disease
Alzheimer's disease is a common cause of dementia. Symptoms and warning signs of Alzheimer's disease include memory loss, difficulty performing familiar tasks, disorientation to time and place, misplacing things, and more. The biggest risk factor for Alzheimer's disease is increased age. Treatment for Alzheimer's is often targeted toward decreasing the symptoms and progression of the disease.
-
Autism Spectrum Disorder
Autism in children and adults is a developmental disorder, characterized by impaired development in communication, social interaction, and behavior. Autism is classified as a pervasive developmental disorder (PDD), which is part of a broad spectrum of developmental disorders affecting young children and adults. There are numerous theories and studies about the cause of autism. The treatment model for autism is an educational program that is suitable to an individual's developmental level of performance. There is no "cure" for autism.
-
Bipolar Disorder in Children, Teens, and Adults
Bipolar disorder (or manic depression) is a mental illness characterized by depression, mania, and severe mood swings. Treatment may incorporate mood-stabilizer medications, antidepressants, and psychotherapy.
-
Dementia
Dementia is defined as a significant loss of intellectual abilities such as memory capacity, severe enough to interfere with social or occupational functioning. There are several different types of dementia, including cortical, subcortical, progressive, primary, and secondary dementias. Other conditions and medication reactions can also cause dementia. Dementia is diagnosed based on a certain set of criteria. Treatment for dementia is generally focused on the symptoms of the disease.
-
Depression
Depression is an illness that involves the body, mood, and thoughts and affects the way a person eats and sleeps, the way one feels about oneself, and the way one thinks about things. The principal types of depression are major depression, dysthymia, and bipolar disease (also called manic-depressive disease).
-
Hearing Loss
Hearing loss (deafness) may be present at birth or it may manifest later in life. Deafness may be genetic or due to damage from noise. Treatment of deafness depends upon its cause. Sensorineural hearing loss can be caused by conditions affecting the cochlea, eighth cranial nerve, spinal cord, or brain. Examples of conditions that can lead to sensorineural hearing loss include Meniere's disease, noise-induced hearing loss, hearing loss of aging (presbycusis), nerve injury from syphilis, hearing loss of unknown cause (idiopathic hearing loss), nerve tumors, and drug toxicity (such as aspirin and aminoglycosides).
-
Parkinson's Disease
Parkinson's disease is a slowly progressive neurological disease characterized by a fixed inexpressive face, a tremor at rest, slowing of voluntary movements, a gait with short accelerating steps, peculiar posture and muscle weakness, caused by degeneration of an area of the brain called the basal ganglia, and by low production of the neurotransmitter dopamine. Most patients are over 50, but at least 10 percent are under 40.
-
Psychotic Disorders
Psychotic disorders are a group of serious illnesses that affect the mind. Different types of psychotic disorders include schizophrenia, schizoaffective disorder, schizophreniform disorder, brief psychotic disorder, shared psychotic disorder, delusional disorder, substance-induced psychotic disorder, paraphrenia, and psychotic disorders due to medical conditions.
-
Schizoaffective Disorder
Schizoaffective disorder is a mental illness that features schizophrenia and a mood disorder, either major depression or bipolar disorder. Symptoms include agitation, suicidal thoughts, little need for sleep, delusions, hallucinations, and poor motivation. Treatment may involve psychotherapy, medication, skills training, or hospitalization.
-
Schizophrenia
Schizophrenia is a disabling brain disorder that may cause hallucinations and delusions and affect a person's ability to communicate and pay attention. Symptoms of psychosis appear in men in their late teens and early 20s and in women in their mid-20s to early 30s. With treatment involving the use of antipsychotic medications and psychosocial treatment, schizophrenia patients can lead rewarding and meaningful lives.
-
Stroke
A stroke is an interruption of the blood supply to part of the brain caused by either a blood clot (ischemic) or bleeding (hemorrhagic). Symptoms of a stroke may include weakness, numbness, double vision or vision loss, confusion, vertigo, difficulty speaking, or understanding speech. A physical exam, imaging tests, neurological exam, and blood tests may be used to diagnose a stroke. Treatment may include administration of clot-busting drugs, supportive care, and in some instances, neurosurgery. The risk of stroke can be reduced by controlling high blood pressure, high cholesterol, diabetes, and stopping smoking.
-
Transient Ischemic Attack (TIA, Mini-Stroke)
When a portion of the brain loses blood supply, through a blood clot or embolus, a transient ischemic attack (TIA, mini-stroke) may occur. If the symptoms do not resolve, a stroke most likely has occurred. Learn the symptoms, risk factors, and treatment for a transient ischemic attack.
-
What Are the 3 Main Types of Aphasia?
Aphasia is an acquired disorder that affects a person’s ability to communicate. Aphasia is an advanced stage of dysphasia. Here are the three main types of this condition and their symptoms.
-
What Is Schizotypal Personality Disorder?
Schizotypal personality disorder is characterized by odd behaviors, feelings, perceptions, and ways of relating to others that interfere with one's ability to function. Medication and psychotherapy can help the sufferer to manage their symptoms.
Examples of Medications for Loss of Speech
- aripiprazole (Abilify)
- chlorpromazine - oral, Thorazine
- chlorpromazine-injection, Thorazine
- clozapine (Clozaril, Fazacio ODT, Versacloz)
- fluphenazine (Permitil, Prolixin)
- fluphenazine concentrate - oral, Prolixin
- fluphenazine liquid - oral, Prolixin
- haloperidol
- olanzapine (Zyprexa, Zydis)
- quetiapine (Seroquel)
- risperidone, Risperdal; Risperdal Consta, Risperdal M-TAB
- thiothixene - oral, Navane
- ziprasidone (Geodon)
From 
Mental Health Resources
Featured Centers
Health Solutions From Our Sponsors
Subscribe to MedicineNet's Depression Newsletter
By clicking "Submit," I agree to the MedicineNet Terms and Conditions and Privacy Policy. I also agree to receive emails from MedicineNet and I understand that I may opt out of MedicineNet subscriptions at any time.