Phonological disorder

Developmental phonological disorder; Speech sound disorder; Speech disorder - phonological

Phonological disorder is a type of speech sound disorder. Speech sound disorders are the inability to correctly form the sounds of words. Speech sound disorders also include articulation disorder, disfluency, and voice disorders.

Children with phonological disorder do not use some or all of the speech sounds to form words as expected for a child their age.



Exams and Tests


Outlook (Prognosis)

Possible Complications

When to Contact a Medical Professional