1 OF 3 / INVESTIGATING CAUSES
What Causes a Lisp? Types, Reasons, and Risk Factors
Clinical overview of lisp causes: how developmental, structural, and acquired factors come together to shape sibilant sound disorders and how they develop.
What Causes a Lisp in Adults? Reasons & Treatment
Discover what causes a lisp in adults, from childhood carryover to dental and neurological triggers, and learn which treatments actually work.
2 OF 3 / Understanding THE CONDITION
3 OF 3 / Self-Help & Techniques
How to Fix a Lisp: Exercises, Therapy & Expert Steps
Learn how to fix a lisp at any age with proven exercises, therapy techniques, and step-by-step guidance from speech pathology research.
How to Get Rid of a Lisp: Complete Treatment Guide
Evidence-based methods to correct lisps in children and adults, including timelines, exercises, and when to seek professional help.
How to Fix an S Lisp: Exercises and Speech Techniques
Fix an S lisp with the Groove Test, daily exercises, and a 2-minute assessment that pinpoints your lisp type. Free, evidence-based, start now.
Lisp Test: Identify Your Lisp Type in 5 Minutes
A structured speech evaluation for your "S" and "Z" sounds — find out which tongue-placement error is causing the distortion.