HurriCaine® Oral Pain Relief 20% Strength Benzocaine Oral Spray 2 oz. (234370_EA) 1/EAHalf second of spray is all you need to relieve pain from a cavity until you can get to a dentist; other oral pains Hurricaine relieves include canker sores; sore mouths caused by dentures and braces; and abscessed gums. 20% benzocaine Spray has a wild cherry flavor. Oral pain relief comes in a 2 ounce spray can.