A speech disorder refers to changes in how someone produces words, the fluency of speech, voice quality or the use of language. Below are common signs, possible causes, how clinicians usually assess these problems, and when to seek urgent care or specialist evaluation.
What a speech disorder covers
Speech disorders include difficulty forming sounds, problems with word finding, stuttering or interruptions in fluency, and changes in voice such as hoarseness or breathiness. They may be present from early development or occur after an illness, injury or neurological event.
Common signs and how to notice them
Signs can be sudden or gradual: others often not understanding the person, frequent pauses or repetitions, unclear or slurred speech, trouble putting sentences together, or a noticeable change in voice. Watch for associated signs such as facial drooping, difficulty swallowing, or breathing problems—these may indicate a more urgent issue.
Possible causes and risk factors
Causes vary widely and include developmental differences, hearing loss, neurological conditions (stroke, degenerative disorders), head injury, infections or age-related changes. Social and environmental factors can affect communication too. Determining the likely cause usually requires a specialist assessment.
Assessment and which specialists to see
Initial assessment typically starts with a clinical history and physical exam, often followed by hearing checks and a speech-language pathology evaluation. Depending on findings, clinicians may recommend neurological imaging or referral to ENT or neurology. Your care pathway will depend on the type and severity of symptoms.