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Larynex (Oral, Oromucosal)
Generic name: benzocaine
Brand names: Anbesol, Babee Teething, Benzodent, Benz-O-Sthetic, Bi-Zets/Benzo-Troches, Dentemp's, Dent-O-Kain/20, Detane, Gumsol, HAD, Hurricaine, Hurricane Spray Kit, Kank-A Soft Brush, Larynex, Miradyne-3, Mycinette, Orabase-B, Oracaine, Ora film, Orajel
Uses for Larynex
Benzocaine is used to help relieve pain and irritation from a sore throat, sore mouth, or canker sores.
You can get this medicine without a prescription. Your doctor may give you specific instructions on how to use it and the right dose for your medical issue.
This section was rewritten for readability and reviewed for meaning.
Precautions while using Larynex
If your child's condition does not get better within 7 days, or if it worsens, contact your doctor.
After applying this medicine to your child's skin, keep a close watch to ensure that he or she does not get any of the medicine in their eyes or mouth. This can lead to serious side effects, especially in children, if any of the medicine enters the mouth or is swallowed.
This medicine may cause a rare but serious blood issue called methemoglobinemia. This condition may happen after using the spray for medical procedures or using the over-the-counter gel or liquid for mouth sores or teething in children. The risk may be higher in children younger than 2 years old, older patients, or patients with certain inherited defects. It is more likely to occur if too much of the medicine is used, but it can also happen with small amounts. Make sure to keep this medicine out of reach of children. Contact your doctor immediately if you or your child experiences any of the following symptoms after using this medicine: pale, gray, or blue-colored skin, lips, or nails, confusion, headache, lightheadedness, fast heartbeat, or unusual tiredness or weakness.
Contact your doctor right away if you develop a severe sore throat or a sore throat along with a high fever, headache, nausea, or vomiting. These could be signs of an infection.
Make sure your doctor knows if you are also using medications that contain nitrates or nitrites. This includes nitroglycerin, Imdur®, Isordil®, Nitro-Bid®, Nitrostat®, or Transderm-Nitro®.
This section was rewritten for readability and reviewed for meaning.
Before using Larynex
In deciding to use a medicine, you need to think about the risks of taking it compared to the benefits it may provide. This is a decision you will make with your doctor. For this medicine, consider the following:
Allergies
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also inform your healthcare professional about any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Pediatric
Due to the toxicity of benzocaine, it is not recommended for use in children under 2 years of age.
There is no information available on how age affects the effects of Cepacol® lozenges in children. Safety and effectiveness have not been established in children younger than 5 years of age.
Geriatric
There is no information available on how age affects the effects of benzocaine in older patients. However, elderly patients are more likely to have blood problems (e.g., methemoglobinemia), which may require caution when using benzocaine.
Breast Feeding
There are no adequate studies in women to determine the risk to infants when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
Interactions with Medicines
Some medicines should not be used together at all, while in other cases, two different medicines may be used together even if an interaction might occur. In these situations, your doctor may want to adjust the dose, or other precautions may be necessary. When taking this medicine, it is especially important for your healthcare professional to know if you are taking any of the medicines listed below. The following interactions have been chosen based on their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following medicines is usually not recommended, but may be necessary in some cases. If both medicines are prescribed together, your doctor may adjust the dose or how often you use one or both medicines.
- Hyaluronidase
- St John's Wort
Interactions with Food/Tobacco/Alcohol
Some medicines should not be used at or around mealtime or with certain types of food because interactions may occur. Using alcohol or tobacco with specific medicines may also lead to interactions. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other Medical Problems
Having other medical problems may affect the use of this medicine. Make sure to inform your doctor if you have any other medical issues, especially:
- Heart disease or
- Hereditary metabolic disorder affecting red blood cells (e.g., G6PD deficiency, hemoglobin-M disease, NADH-methemoglobin reductase deficiency, pyruvate-kinase deficiency) or
- Lung or breathing problems (e.g., asthma, bronchitis, emphysema)—Use with caution. May increase the risk of developing a serious side effect called methemoglobinemia.
- Infection in or around your mouth or
- Large sores in or around your mouth—The chance of side effects may be increased.
This section was rewritten for readability and reviewed for meaning.
Side Effects of Larynex
Along with its necessary effects, a medicine may cause some unwanted effects. Not all of these side effects may happen, but if they do, they may require medical attention.
Check with your doctor right away if any of the following side effects occur:
Incidence not known
- Bluish-colored lips, fingernails, or palms
- dark urine
- difficulty breathing
- dizziness or lightheadedness
- headache
- high fever
- nausea
- pale skin
- rapid heart rate
- sore throat
- unusual bleeding or bruising
- unusual tiredness or weakness
- vomiting
- worsening of pain, redness, swelling, or irritation in or around the mouth
Other side effects not listed may also happen in some patients. If you notice any other effects, consult your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
In the U.S.
- Anbesol
- Babee Teething
- Benzodent
- Benz-O-Sthetic
- Bi-Zets/Benzo-Troches
- Dentemp's
- Dent-O-Kain/20
- Detane
- Gumsol
- HAD
- Hurricaine
- Hurricane Spray Kit
- Kank-A Soft Brush
- Larynex
- Miradyne-3
- Mycinette
- Orabase-B
- Oracaine
- Ora film
- Orajel
- OraMagic Plus
- Orasol
- Red Cross Canker Sore
- Thorets
- Trocaine
- Zetts
- Zilactin
- Zilactin-B
In Canada
- Anbesol Extra Strength
- Anbesol Liquid
- Baby Anbesol
- Baby Orajel
- Baby Orajel Liquid
- Maximum Strength Orajel Pm
- Orajel Extra Strength
Available Dosage Forms:
- Gel/Jelly
- Paste
- Lotion
- Spray
- Powder for Suspension
- Cream
- Swab
- Solution
- Lozenge/Troche
- Ointment
Therapeutic Class: Anesthetic, Local
Chemical Class: Amino Ester
This section was rewritten for readability and reviewed for meaning.
Proper use of Larynex
Use this medicine exactly as directed by your doctor. Do not use more of it, do not use it more often, and do not use it for a longer time than directed. To do so may increase the chance of absorption into the body and the risk of side effects.
This medicine should be used only for problems being treated by your doctor or conditions listed in the package directions. Check with your doctor before using it for other problems, especially if you think that an infection may be present.
Do not use this medicine for more than 2 days without checking first with your doctor.
In children, instead of using this medicine, talk with your child's doctor about different ways to treat teething. Give your child a firm rubber teething ring, or gently rub or massage your child's gums with your finger to relieve symptoms of teething pain. Do not use this medicine in children under the age of 2 unless your doctor tells you to.
Dosing
The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
- For sore throat and mouth pain: For oral dosage form (lozenges): Adults and children 5 years of age and older—One lozenge, dissolved slowly in the mouth every 2 hours as needed. Children younger than 5 years of age—Use is not recommended. For oral dosage form (gel, spray, ointment, or solution): Adults and children 2 years of age and older—Apply to the affected area as needed. However, do not use it for more than 4 times a day. Children younger than 2 years of age—Use is not recommended.
Missed Dose
If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
Storage
Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
Ask your healthcare professional how you should dispose of any medicine you do not use.
Related medicines
Content is provided for education and is not medical advice. See our medical disclaimer.