The reasons why male cats urinate red urine are as follows:

1. It is possible that the male cat’s urinary system is infected, leading to cystitis, urethritis and bladder stones. It is caused by the rupture and bleeding of the capillaries in the bladder wall, the friction of stones and the obstruction of the urethra. In simple terms, it is an injury to the urethra.

2. It is possible that the male cat is in estrus and his urethra is relatively narrow. During this period, the amount of water he drinks decreases, leading to urethral obstruction and blood in the urine.

3. It is possible that the male cat has eaten something poisonous and caused the urine to turn red. The owner can give it more water to help it speed up its metabolism and expel toxins faster.

4. It may be caused by estrus. When a male cat urinates blood, it may also be caused by estrus, because male cats will be agitated, urinate frequently, and urinate blood during estrus.

5. It may be a food problem. If a male cat eats chocolate, grapes, and foods containing peppers, onions, etc., it may cause food poisoning and hemolysis, and the urine may be red.

6. It may be caused by a car accident or internal injuries. If the cat has received a severe impact, it is recommended to take it to the pet hospital for examination and timely treatment.

7. Cats drink less water. When male cats have blood in their urine, it may be because the owner usually feeds them some dry cat food or dry snacks, and the cat does not like to drink water.

8. It is also possible that drinking red water or drinks causes the urine to turn red for a while. It will be fine if it changes back to normal color next time, but if you don't seek medical attention in time.

What should the owner do if a male cat urinates red urine:

1. Under the guidance of a doctor, you can feed the cat diuretic, stone-clearing and anti-inflammatory medicine. Special medicine to help restore your cat’s urinary system.

2. The owner should take it to the pet hospital for treatment as soon as possible, try to calm down its mood, and patiently help it clean. If the symptoms are not serious, just wait until the estrus period is over. If it is serious, it may It needs to be neutered and urethra re-opened.

3. Pay attention to the cat’s diet and feed less salty food to the cat.

4. If the owner takes the cat to the hospital for surgery if necessary, he must pay attention to post-operative protection.