Local anesthesia uses medicine (anesthetics) to block pain from a part of the body. The medicine affects only the area near where the medicine was injected or applied.
Anesthesia medicines are usually given by injection into the area that needs to be numbed. They may also be applied onto the skin or mucus membranes as a liquid or gel or given as eyedrops. This is called topical anesthesia.
Watch closely for changes in your health, and be sure to contact your doctor if:
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