A frontal protrusion lisp typically resolves on its own with time and a little practice, but a lateral omission lisp requires intervention. The good news is that speech therapy can correct both types.Dec 21, 2020
What age should a lisp go away?
But if the lisp is truly developmental in nature, we expect it to disappear on its own by age 4 and a half. On the other hand, if the child is speaking with what is called a “lateral lisp,” this is not considered developmental, and this type of lisp likely won't resolve on its own.Aug 1, 2019
Can a lisp always be corrected?
If speech therapy for your lisp didn't work in the past, fret not; we can help you resolve your frontal or lateral lisp during adulthood. A lisp can be readily corrected at any age and in as quickly as three months.