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Important Note

The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.



COMMON BRAND NAME(S): Altaseptic, Xylocaine


This medication is an anesthetic which numbs the area it has been applied to. This spray is used in the mouth to numb the mouth or throat.

How To Use

This medication is sprayed in the mouth as directed. To use, shake the container gently. Open your mouth wide and point the spray nozzle at the site to be numbed. Depress the nozzle to spray the medication. This medication is for use on the mouth surface. Do not swallow or inhale this. Avoid spraying near eyes. Avoid eating or chewing gum for at least 1 hour after use. The risk of choking or biting the tongue or cheek is greater when the mouth, tongue or throat are numb.

Side Effects

This medication is generally well tolerated. Minor burning or stinging may occur upon application. If this persists or the area becomes red or swollen, inform your doctor. Notify your doctor if you experience: irregular heartbeat, difficult breathing, drowsiness, dizziness, confusion, vision changes, nausea, twitching or tremors. If you notice other effects not listed above, contact your doctor or pharmacist.


Tell your doctor if you have: liver problems, heart disease, allergies (especially to anesthetics). This medication should be used only if clearly needed during pregnancy. Discuss the risks and benefits with your doctor. This medication passes into breast milk. Consult your doctor before breast-feeding.

Drug Interactions

Tell your doctor of any over-the-counter or prescription medication you may take. Do not start or stop any medicine without doctor or pharmacist approval.


If overdose is suspected, contact your local poison control center or emergency room immediately. This medicine may be harmful if swallowed.


It takes only 1 to 2 minutes for the numbing effect of this medication to occur and it lasts for 10 to 15 minutes.

Missed Dose

If you miss a dose, use it as soon as remembered; do not use it if it is near the time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up.


Store spray at room temperature between 59 and 86 degrees F (15 to 30 degrees C) away from heat and open flames. Because the contents of the canister are under pressure, do not puncture or burn this. Keep out of reach of children.