Get evaluated by a speech-language pathologist
Identify the specific sound errors causing the lisp
Practice tongue placement with a professional
Use mirror feedback during practice
Slow down your speech
Repeat target sounds and words daily
Record and compare your speech over time
Address tongue thrust or bite issues if present
See an orthodontist or dentist if structural problems are involved
Treat allergies, congestion, or mouth-breathing if they affect speech
Follow a home practice plan from your therapist
Be consistent with exercises and sessions
Avoid self-correcting excessively in conversation
Seek medical or speech therapy help if the lisp persists