The effects of lorazepam (agitation reducer/sleep inducer, muscle relaxant, anxiety reducer, inhibitor of new memory formation) may be considered as adverse or side effects if unwanted.
Making the world better, one answer at a time. Grainy, sandy looking stools may be caused by a number of issues. If you suffer from Irritable Bowel Syndrome, or Crohn's disease, it may be those diseases causing your malformed stools. Other issues are too much fiber, infections, fatty foods, and more.
Other causes of colic, such as sand ingestion, are often related to restricted access to hay. Restriction of fiber and or boredom that induces a horse to nibble at scraps of hay and dirt increase the risk of accumulation of sand in the bowel.