How long does a local anaesthetic last for?
Watch out for this, a local anaesthetic lasts only at the most a few hours. I make out of your story that you have a contusion of the facial nerve (a nerve coming out of the brains before the ear, and splitting in 3 branches, one to the upper regio above the eye (till half of the face), one middle to half nose and cheek, and one under to underjaw). You have to go back to the hospital and have it checked.
