After being bitten by a dog, you need to eat more lean meat, fish, eggs, milk, soy products, vegetables, fruits and other foods. Do not eat spicy and irritating foods. You must also quit smoking and drinking, and do not drink strong tea. This will facilitate wound recovery. After being bitten by a dog, you need to clean the wound promptly and inject rabies vaccine to prevent infection. The wound will usually heal on its own in a few days.