Liquid formulations of hypoglycaemic sulfonamides

A liquid pharmaceutical formulation comprising between 0.5 and 7 mg/mL of micronized particles of glibenclamide, between 4.5 and 5.5 mg/mL of hydroxyethylcellulose, between 4.5 and 5.5 mg/mL of xanthan gum, a buffer system maintaining the pH of said formulation between 4.5 and 5.5, and between 4.5 and 5.5 mg/mL of sodium benzoate, wherein said formulation has osmolality below 400 mOsm/L, wherein the buffer system comprises lactic acid and between 6.75 and 8.25 mg/mL sodium citrate, wherein at least 90% of the micronized particles have a size less than 30 m, and wherein said formulation lacks a sugar-based sweetener.