The 3-year-old male neutered cat pees blood in the urine for the past couple of days.
Urine test showed no crystals. No X-rays were done to lower medical costs for heartlanders. This may reveal bladder stones. Recurrence of haematuria will necessitate X-rays.
Follow up 5 days after bladder irrigation and antibiotics - no more blood in the urine. It seems more male cats who prefer dry food, as in this cat, tend to get an attack of haematuria compared to female cats.
As to the prevention, canned food is advised but this cat will not eat canned food. Much depends on the owner to re-train the cat to eat canned food.