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Doctor insights on: Benzocaine

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Dr. Itzhak Kronzon
150 Doctors shared insights

Benzocaine (Overview)

Benzocaine is an ear drop which is a kind of ears, nose, throat agent.


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What is benzocaine used for?

What is benzocaine used for?

Local anesthetic: Also called Anbesol, Hurricaine or Orajel. It is a local anesthetic that is used to relieve pain. Read more

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Dr. Itzhak Kronzon
150 Doctors shared insights

Benzocaine (Overview)

Benzocaine is an ear drop which is a kind of ears, nose, throat agent.


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What is the most effective cough suppressant? Would numbing type like benzocaine help as well?

What is the most effective cough suppressant? Would numbing type like benzocaine help as well?

OTC or Rx?: Over the counter, dextromethorphan is probably the best cough suppressant available. Just be sure the one you buy doesn't contain other ingredients, particularly expectorants which make you cough more. Prescription medication such as Codeine also quite effective. Numbing medications will not help at all and taking those for cough could be dangerous, putting you at risk for aspiration. Read more

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How well does benzocaine work?

Pretty well: Benzocaine is a great topical anesthetic when used carefully and properly. Do not exceed recommended dosages as it may cause a serious condition called methemoglobinemia. Read more

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How can benzocaine 7.5% works on premature ejectculation/?

Topical anesthesia: By decreasing sensation from the genitalia. The medicine is an analogue to the numbing medication that dentists use, for example. Read more

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Do you know are lidocaine and benzocaine safe anaesthetics to use?

Do you know are lidocaine and benzocaine safe anaesthetics to use?

Yes and no: All anesthetics pose risk for toxicity, allergy and side effects. The adverse effects of Benzocaine include methemoglobinemia and allergy, and though rare, these occur more commonly than with lidocaine. Read more

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Is it dangerous to use too much of oralgel with benzocaine for a canker sore?

Is it dangerous to use too much of oralgel with benzocaine for a canker sore?

Oragel O.D.: Orajel is a topical anesthetic with the risk of toxicity and and the rare but serious condition called methemoglobinemia. Therefore, application should not exceed the manufacturer's recommendations. It is also dangerous to use a topical anesthetic for a chronic oral lesion that may be cancerous. Any such lesion should be evaluated and possibly biopsied. Read more

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What is the treatment for benzocaine toxicity?

Methylene blue: The most dangerous potential effect of Benzocaine overdose is methemoglobinemia, a condition in which not enough oxygen is available to the body. There may be pale or blue-gray skin and nail beds, shortness of breath, and lightheadedness. Emergency treatment is the IV administration of a medication called methylene blue, and discontinuation of Benzocaine use. Read more

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How long does it take for benzocaine to take effect?

Less than 3 minutes: On a mucus membrane, slightly longer on skin. Be careful of over application as large doses can lead to met hemoglobinemia which looks like your lips and skin turn blue. In high concentrations can be very dangerous. Read more

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Will applying benzocaine on my penis help me last longer?

Yes: The Benzocaine will cause the penis to experience an anesthetic effect and with a decreased sensitivity, the ejaculatory period can be increased. It is a treatment option for those with premature ejaculation. Read more

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What is the treatment for benzocaine overdose?

What is the treatment for benzocaine overdose?

Many problems: Overdose symptoms may include uneven heartbeats, seizure (convulsions), coma, slowed breathing, or respiratory failure (breathing stops). Do not use Benzocaine topical if you have a blood cell disorder called methemoglobinemia. Before using Benzocaine topical, tell your doctor if you have any type of inherited enzyme deficiency, a breathing disorder such as asthma or emphysema, or if you smoke. Read more

Dr. Meng Syn Dr. Syn
1 doctor agreed:
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Can too much 20% benzocaine (anbesol) harm teeth?

Dr. Meng Syn Dr. Syn
1 doctor agreed:
Can too much 20% benzocaine (anbesol) harm teeth?

No: There have been no studies showing ill effects of topical anesthetic on dental hard tissues, but there is evidence that too much ingested or absorbed topical anesthetic can cause harm to your body especially if you have a family history of methemoglobinemia (a rare genetic disease). Overdose symptoms include uneven heartbeats, seizures.Coma, slowed breathing, or respiratory failure. Read more

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What is benzocaine used for?

Local anesthetic: Also called Anbesol, Hurricaine or Orajel. It is a local anesthetic that is used to relieve pain. Read more

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How does benzocaine function?

How does benzocaine function?

Benzocaine: Benzocaine is a commonly used local anesthetic. It is an ester anesthetic that blocks both the initiation and conduction of nerve impulses by decreasing the neuronal membrane's permeability to sodium ions, which results in inhibition of depolarization with resultant blockade of conduction. It basically prevents conduction of the nerve. Read more

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How well does benzocaine work?

Pretty well: Benzocaine is a great topical anesthetic when used carefully and properly. Do not exceed recommended dosages as it may cause a serious condition called methemoglobinemia. Read more

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How long does it take for benzocaine to take effect?

Less than 3 minutes: On a mucus membrane, slightly longer on skin. Be careful of over application as large doses can lead to met hemoglobinemia which looks like your lips and skin turn blue. In high concentrations can be very dangerous. Read more