Lidocaine spray is used to numb the lining of the mouth and throat before certain medical procedure (e.g., intubation). It is a local anesthetic that starts to numb the lining of the mouth and throat 1-2 minutes after application. It also helps prevent the urge to close the throat (gag reflex), which might make the procedure more difficult.
This medication numbs the nose and throat. This will make swallowing difficult and increase your risk of choking or swallowing the wrong way. Do not eat or chew gum for 1 hour after this product is used or until your mouth/throat is no longer numb. It is especially important to make sure children do not eat or chew gum for at least 1 hour after their procedures. Be careful not to accidentally bite your tongue or mouth.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Seek immediate medical attention if any of these rare but serious side effects occur: slow/shallow breathing, slow/irregular heartbeat, mental/mood changes (e.g., severe drowsiness, confusion, nervousness), seizures, fainting, vision changes (e.g., double or blurred vision).
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any of the following symptoms of a serious allergic reaction: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Before using lidocaine, tell your doctor or pharmacist if you are allergic to it; or to other amide-type anesthetics (e.g., bupivacaine, prilocaine); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: bites/cuts/scrapes/sores in your mouth or throat, heart problems (e.g., irregular heartbeat), severe infection with high fever (e.g., sepsis), liver disease.
To minimize dizziness and lightheadedness, get up slowly when rising from a sitting or lying position.
This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.
Caution is advised when using this drug in children because they may be more sensitive to the effects of the drug, especially drowsiness.
During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.
This medicine may be harmful if swallowed. If swallowing or overdose is suspected, contact a poison control center or emergency room immediately. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: severe dizziness/drowsiness, seizures, slow/irregular heartbeat.
It takes only 1-2 minutes for the numbing effect of this medication to occur, and it usually lasts for 10-15 minutes.
Store spray at room temperature between 59-86 degrees F (15-30 degrees C) away from heat and open flames. Because the contents of the canister are under pressure, do not puncture or burn the container. Keep all medicines out of reach of children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.
Information last revised September 2013. Copyright(c) 2013 First Databank, Inc.
With WebMD's Medicine Cabinet, you can check interactions with drugs.Go to medicine cabinet