Death usually supervenes before a numbing effect on the intestine can be observed.
Medicines that numb the mouth, like viscous lidocaine or topical anesthetics only last for a brief time and, by numbing the mouth, may cause your child to further injure damaged tissues without knowing it.
Over-the-counter lip products that contain the chemical phenol (such as Blistex Medicated Lip Ointment) and numbing ointments (Anbesol) help to relieve cold sores.
The drugs frequently recommended are anti-inflammatory steroid mouthwashes, analgesics, and numbing ointments containing benzocaine.
Pain is not usually too much of an issue for clients and numbing creams are available.