Royal Canin Gastrointestinal High Fibre Adult Dry Dog Food is recommended for cases of: Fibre responsive colitis / diarrhoea (including stress diarrhoea); Chronic Idiopathic Large Bowel Diarrhoea; Conditions requiring a high fibre level.Warning:Not recommended for cases of: Obstipation*; Dehydration; Growth, gestation/lactation. *A fibre rich diet may support dogs suffering with constipation, however it may also increase faecal volume which is contraindicated in some cases of constipation, particularly if associated with dehydration, obstipation and/or obstruction. For these cases a low residue diet such as Gastrointestinal may be recommended.