A small hard bump on the head of a cat that is not losing hair may be caused by recent injections, trauma, mosquito bites, or tumors. You need to take the cat to the pet hospital for further examination and confirm the specific cause before carrying out targeted treatment. .
Tips:
Usually, you should pay attention to bathing and deworming cats regularly to prevent cats from being infected with parasites, and do not take cats to places where there are many mosquitoes, such as flowers, grass, etc.