Lidocaine is a local anesthetic that works by causing temporary numbness/loss of feeling in the skin and mucous membranes. Lidocaine is used topically to relieve itching, burning and pain from skin inflammations, injected as a dental anesthetic or as a local anesthetic for minor surgery. It is found in over the counter topical medications that treat itching, minor skin wound pain, and skin irritation.

利多卡因是一种通过引起皮肤和粘膜暂时麻木/感觉丧失而起作用的局部麻醉剂。利多卡因局部用于缓解皮肤炎症引起的瘙痒，烧灼感和疼痛，作为牙科麻醉剂注射或作为局部麻醉剂用于小手术。在用于治疗瘙痒，轻微皮肤伤口疼痛和皮肤刺激的非处方局部用药中发现。