The answer to 'why is my rodent bites' is that you may have a rodent infestation in your home. Rodents like mice and rats can bite humans, especially if they feel threatened or are looking for food. Common symptoms of rodent bites include red, swollen skin with puncture marks, pain, and potential infection.
To address a rodent problem, you should first try some DIY pest control methods like sealing up entry points, removing food sources, and using humane traps. However, if the infestation is severe or you continue to experience bites, it's best to call in a professional pest control technician. They can properly identify the rodent species, locate the nesting areas, and use more effective and safe treatment methods to get rid of the pests.