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Drugs & Medications

Baylocaine Viscous mucous membrane




This medication is used to relieve pain and discomfort of certain mouth, nose, and throat problems. It is a topical anesthetic (amide-type) that numbs the mucous membranes (skin) of the mouth, nose, and throat.

This product should not be used to treat teething pain in infants and young children due to an increased risk of serious side effects. Talk to the doctor for more details and for other ways to treat teething pain.

How to use Baylocaine Viscous mucous membrane

This medication may be used as a spray by putting the solution into a special spray bottle (atomizer). It can also be applied directly to the affected area with a sterile applicator or swab. Discard applicator or swab after use.

Do not swallow the medication unless directed to do so by your doctor.

Do not drink water or any liquids after applying this medication to the mouth or throat and avoid eating any food for at least 1 hour. This medication will numb your tongue and affect swallowing. It is important not to eat or chew gum while your mouth is numb to prevent choking or biting your tongue.

Do not increase your dose or use more often than prescribed without your doctor's approval.

Inform your doctor if your condition persists or worsens.

Side Effects

Minor stinging, burning and tenderness of the mouth, nose, and throat may occur when this drug is applied to these areas. Dizziness, drowsiness, lightheadedness, vomiting, or sensations of heat, cold, or numbness may also occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

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.

Tell your doctor right away if any of these highly unlikely but serious side effects occur: mental/mood changes, ringing in the ears, vision changes, slow or fast heartbeat, rapid breathing, fever, seizures.

A serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction include: 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 local anesthetics such as bupivacaine or mepivacaine; or if you have other allergies. This product may contain inactive ingredients (such as PABA), 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: heart problems, any infections or open wounds where the drug is to be administered, severe liver disease.

Older adults may be more sensitive to the side effects of this drug.

Children may be more sensitive to the side effects of this drug.

Tell your doctor if you are pregnant before using this medication.

This drug passes into breast milk. While there have been no reports of harm to nursing infants, consult your doctor before breast-feeding.


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.


If overdose is suspected, contact a poison control center or emergency room right away. 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: seizures, trouble breathing, irregular heartbeat, unconsciousness.


Do not share this medication with others.

Missed Dose

If you miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.


Store at room temperature away from sunlight and moisture. Do not freeze. Do not store in the bathroom. Keep all medicines away from 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 July 2014. Copyright(c) 2014 First Databank, Inc.


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Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, expect as may be authorized by the applicable terms of use.

CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.

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