A lisp is a speech disorder characterized by the mispronunciation of /s/ and /z/ sounds. This often occurs when the tongue is incorrectly positioned during speech, causing the speaker to substitute or distort these sounds. One common mistake is the production of a /th/ sound instead of /s/ or /z/, frequently due to the tongue being placed incorrectly. Here are several types of lisps:
Each type of lisp involves unique tongue placements and can affect speech clarity, but they are treatable with speech therapy.





The exact cause of a lisp is often unclear, and in many cases, multiple factors can contribute to its development. Some potential causes include:
In many instances, no physical factors are present, and a lisp may develop simply from habit or because of difficulty distinguishing between the /th/ and /s/ or /z/ sounds.



The treatment for a lisp varies based on the type and severity of the lisp. The main treatment methods include:
Treatment duration will depend on progress and the individual’s specific needs.


