This medication is used on the skin to stop itching and pain from certain skin conditions (such as scrapes, minor burns, insect bites) and to treat minor discomfort and itching caused by hemorrhoids and certain other problems of the genital/anal area (such as anal fissures, itching around the vagina/rectum). Benzocaine is a local anesthetic that works by causing temporary numbness/loss of feeling in the skin.
How to use Benzocaine Liquid
If you are using the over-the-counter product to self-treat, read all directions on the product package before using this medication. If you have any questions, consult your pharmacist. If your doctor has prescribed this medication, use it as directed.
Before use, clean and dry the affected area as directed. Apply a thin layer of medication to the affected area of skin as directed.
If you are using the spray, shake the can well before using. Hold the can 6 to 12 inches (15 to 30 centimeters) from the affected area and spray until wet. Do not spray near your eyes, nose, or mouth.
Do not use on large areas of the body, cover the area with waterproof bandages or plastic, or apply heat unless directed to do so by your doctor. Doing so may increase the risk of serious side effects.
Wash your hands right after use unless you are treating an area on the hands. Avoid getting the product in your eyes, nose, or mouth. If the medication gets in these areas, rinse right away with plenty of water.
The dosage is based on your medical condition and response to treatment. Do not use more of this product, use it more often, or use it longer than directed.
If your condition lasts or gets worse, or if you think you may have a serious medical problem, get medical help right away.
Temporary redness, stinging, or irritation at the application site may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.
If your doctor has directed you to use this medication, remember that 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.
Get medical help right away if you have any very serious side effects, including: slow/shallow breathing, slow/irregular heartbeat, seizures.
This medication has rarely caused a very serious (possibly fatal) blood disorder (methemoglobinemia). This effect is more likely if you have breathing problems, certain diseases of the blood, or if you smoke (see also Precautions section). The symptoms of this disorder may occur within minutes to a couple of hours after using this medication. Stop using this medication and get medical help right away if you develop any symptoms of methemoglobinemia, including: pale/bluish/gray skin, unusual tiredness, shortness of breath, fast heartbeat, dizziness, headache, confusion.
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, new or worsening 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 any 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 or at www.fda.gov/medwatch.
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 benzocaine, tell your doctor or pharmacist if you are allergic to it; or to other "caine" anesthetics (such as procaine); 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: broken skin/infection in the affected area, heart disease, certain blood disorders (G6PD deficiency, pyruvate kinase deficiency, hemoglobin-M disease, NADH-methemoglobin reductase deficiency), breathing problems (such as asthma, bronchitis, emphysema, smoking history).
During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.
It is unknown if this medication passes into breast milk. Nursing mothers should not use it on or near the nipple to prevent a nursing infant from swallowing it. 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.
This medicine may be harmful if swallowed. If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center 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: irregular heartbeat, seizures.
Keep all regular medical and lab appointments.
If you are using this product on a regular schedule and miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Use your next dose at the regular time. Do not double the dose to catch up.
Store at room temperature away from light and moisture. Do not freeze. Keep all medications 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.Information last revised February 2019. Copyright(c) 2019 First Databank, Inc.
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