Stable hyperbaric composition comprising prilocaine HCl, use of said new composition for intrathecal anaethesia, and method for manufacturing said composition

A pharmaceutical composition, which is stable and has a shelf-life, at ambient temperature, of at least 5 years, wherein the composition comprises prilocaine HCl and glucose in a hyperbaric solution of water for injection and has a 2-methylaniline content, throughout the entire shelf-life duration, of less than 0.10% relative to the quantity of prilocaine HCl contained,

• wherein the prilocaine HCl content is from 1.8% to 2.2% (w/V), the glucose content, expressed as anhydrous glucose, is from 5.4% to 6.6% (w/V) and the osmolarity is in the range from 490 to 540 mOsm/kg.