Medication leaflets

Active substance

Results for the substance lidocaine

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About this active substance

Lidocaine is a local anesthetic and antiarrhythmic medication used to temporarily numb a specific area of the body or to treat certain heart rhythm disorders. As a local anesthetic, lidocaine blocks nerve signal transmission, reducing pain and sensation in the treated area. As an antiarrhythmic, it is used to manage ventricular arrhythmias, such as ventricular tachycardia.

Lidocaine is available in various forms, including creams, gels, patches, injectable solutions, and sprays. It is commonly used in medical procedures, such as sutures, dental work, or other minor interventions, to reduce pain. In the antiarrhythmic context, lidocaine is administered intravenously under strict medical supervision.

Side effects may include local irritation, redness, or prolonged numbness at the application site. In rare cases, excessive use or improper administration can lead to systemic reactions, such as dizziness, confusion, seizures, or severe allergic reactions. It is important to use lidocaine as directed by a healthcare provider and to inform medical staff about any allergies or pre-existing conditions.