This page includes the following topics and synonyms: Nebulized Lidocaine. Nebulized lidocaine (also called lignocaine) is primarily used in palliative care to relieve intractable cough in terminal illness, though it has additional applications in bronchoscopy and investigational uses for asthma. 1 Application to real-life: Using 5-mL of 4% topical lidocaine solution via nebulizer will provide a total dose of 200 mg. This is within the range of safe, studied doses, and may provide the anesthetic effect you (and the patient) desires. Application to real-life: Using 4% topical lidocaine in a 5-mL nebulizer will give a total dose of 200 mg. This is within the range of safe, studied doses, and will provide the anesthetic effect you (and the patient) desires. Flexible bronchoscopy is widely used for the diagnosis of various pulmonary conditions. Although it can be performed with topical analgesia alone, use of sedation improves patient tolerance of the procedure and working conditions for the. Nebulized lidocaine offers a valuable option for patients with intractable cough when standard treatment fails. Many clinicians recognize its rapid suppression of cough, often within 15 minutes, and its generally favorable safety profile. This resource explains how to use lidocaine in your nebulizer machine to help relieve your cough. The long-term safety of patient-administered nebulized lidocaine for control of chronic cough has not been established. This resource explains how to use lidocaine (LY-doh-kane) in your nebulizer machine to help relieve your cough. Lidocaine is a local anesthetic (medicine that numbs an area of your body). Nebulized lidocaine for cough relief. Nebulized lidocaine is often used in bronchoscopy to increase comfort of patient and allow for further visualization of the airway.