Seek prompt medical care if:

• The wound is a deep puncture or you're not sure how serious it is.
• The skin is badly torn, crushed or bleeding significantly — first apply pressure with a bandage or clean cloth to stop the bleeding.
• You notice increasing swelling, redness, pain or oozing, which are warning signs of infection.

• You have questions about your risk of rabies or about rabies prevention. If the bite was caused by a cat or a dog, try to confirm that the animal's rabies vaccination is up to date. If the bite was caused by a wild animal, seek advice from your doctor about which animals are most likely to carry rabies.

  Bats often carry rabies and can infect humans without leaving obvious signs of a bite. This is why the Centers for Disease Control and Prevention recommends that people in contact with bats — or even those who are sleeping and awaken to find a bat in the bedroom — seek medical advice about rabies shots, even if they don't think they've been bitten.

• You haven't had a tetanus shot in the past 10 years — or five years if the wound is deep or dirty. You may need a booster shot.