The IDDSI framework

Eight levels, one shared language.

IDDSI describes every food texture and drink thickness on a single 0–7 scale, used by clinicians in 60+ countries. Your SLP prescribes the level — these pages help you live within it.

0Level 0 — ThinFlows like water.Drinks 1Level 1 — Slightly ThickThicker than water, still drinkable through a straw.Drinks 2Level 2 — Mildly ThickSippable, but effort needed through a standard straw.Drinks 3Level 3 — Moderately Thick / LiquidisedDrinkable from a cup; smooth, no lumps.Drinks + Foods 4Level 4 — Extremely Thick / PureedEaten with a spoon. Holds its shape. No chewing needed.Drinks + Foods 5Level 5 — Minced & MoistSoft, moist pieces no bigger than 4 mm.Foods 6Level 6 — Soft & Bite-SizedTender 1.5 cm pieces. Chewing required, no knife needed.Foods 7Level 7 — Easy to Chew / RegularEveryday foods — soft and tender at 7 EC; no restriction at 7 Regular.Foods

Not sure of your level? Don’t guess. Your speech-language pathologist prescribes it after a swallowing evaluation — bring these pages to your next visit.