Causes and solutions for swelling on one side of a cat’s upper lip:

1. Impact: When a cat is hit by an external force on its lip, the lip will have symptoms of swelling, heat, pain, and bleeding. It is recommended that the owner promptly help the cat deal with the injured area.

2. Allergy: When a cat eats food that it is allergic to, it will also have symptoms of swollen lips. At this time, it is recommended that the owner take some anti-allergic drugs to the cat.

3. Inflammation: Cat’s swollen lips may also be caused by internal heat. Inflammation may also lead to yellowish urine and increased eye feces in the corners of the eyes. At this time, the owner should give the cat some light food. Ordered food.

4. Lack of vitamins: It may be that the cat lacks vitamin B. You can supplement the cat with vitamin B family elements.

5. Foreign body: There may be a foreign body stuck in the mouth. If so, you should pull out the foreign body first, and then apply antibacterial and anti-inflammatory drugs.

6. Tumor: It may be caused by tumor. It is best to take the cat to the pet hospital for examination and treatment.