Raws Powder Benzocaine

Description

Benzocaine is a widely used local anesthetic belonging to the ester group of anesthetics. It works by temporarily blocking nerve signals in the body, helping reduce pain, itching, and discomfort in targeted areas. Benzocaine powder is commonly used as a raw material in pharmaceutical, cosmetic, and research applications.

What is Benzocaine?

Benzocaine medicine contains the active ingredient Benzocaine, belongs to the group of local anesthetics indicated in the following cases:
Pain relief and discomfort relief in pathologies: Sore throat, mild skin irritation, ingrown nails, irritation vaginal or rectal, bee stings, hemorrhoids, insect bites, toothache, mouth and gum irritation, acute otitis externa, otitis media; Inhibits premature ejaculation during sex; Anesthetize the mucous membranes of the mouth, throat, nose, vagina, rectum, or numb the skin to relieve pain when medical instruments are needed to be examined.
Pharmacodynamics： Benzocaine belongs to the group of local anesthetics with ester structure. The mechanism of action of the drug is to reversibly inhibit the depolarization of the neuronal membrane as well as the ion exchange, thereby preventing the depolarization of the cell membrane and reducing the transmission of nerve impulses. sensation near the injection site.
Pharmacokinetics Absorption: Benzocaine is rapidly absorbed through damaged skin and mucous membranes. Distribution: Benzocaine binds to both alpha-1-acid glycoprotein and serum albumin. Metabolism: Benzocaine is metabolized through 3 reactions including acetylation to acetylbenzocaine, ester hydrolysis to 4-aminobenzoic acid and N - hydroxylation to benzocaine hydroxide. 4-aminobenzoic acid is then acetylated to form 4-acetaminobenzoic acid, which is also the product of the hydrolysis of the acetybenzocaine ester.
Elimination: The drug is eliminated as metabolites in the urine.

Clinical Data

Appearance & Physical Characteristics

Topical anesthetic creams and gels

Oral care products (such as throat sprays and lozenges)

Skin-care and cosmetic formulations requiring numbing effects

Research and laboratory applications

Veterinary and dental formulations (depending on regulations)

Key Features & Advantages

Fast-acting local anesthetic
Provides quick numbing effects when formulated correctly.

Surface-level pain relief
Effective for topical applications where localized numbing is required.

Low systemic absorption
Acts mainly at the application site, which reduces whole-body exposure when used properly.

Versatile raw material
Suitable for creams, gels, sprays, lozenges, and other topical formulations.

Stable chemical structure
Maintains effectiveness when stored and handled under recommended conditions.

Stability & Storage Conditions

Store in a cool, dry place, away from direct light

Keep container tightly sealed to prevent moisture exposure

Recommended storage temperature: room temperature (15–25°C)

When stored properly, benzocaine powder maintains good stability over time

Dosage

Adults:
Mild burns, bee stings, insect bites, sunburn: Apply a sufficient amount of Benzocaine. 5 - 20% on the affected area every 6-8 hours; Sore throat: Suck on one Benzocaine tablet, repeat the dose every 2 hours, and take it for up to 2 days. Or use an oral spray 4 times a day (for this form, spit the medicine out after 1 minute of spraying); Hemorrhoids: Use topical medication 5 - 20%, apply to the lesion and repeat every 4 hours; Toothache: Use Benzocaine 2.5 - 20% solution as needed; Pimples: Apply a sufficient amount of Benzocaine 20% to the affected area, repeat every 12 hours; Premature ejaculation: Use Benzocaine 7.5% to apply a small amount to the penis about 15-20 minutes before sex and need to wash it off after sex; Acute otitis externa, otitis media: Put about 4-5 drops of Benzocaine 20% solution, then use cotton swabs to insert into the ear to prevent the solution from flowing out. Repeat dose after 1-2 hours if necessary.
Children:
Benzocaine for toothache due to newly erupting: Do not use in children under 4 years old. Children 4 years of age and older apply a sufficient amount of Benzocaine 7.5 - 10% to the painful gum area and repeat every 6 hours; Pimples, bee stings, minor burns, insect bites, sunburn, gums and mouth irritation: For children over 2 years of age only, the dosage is the same as for adults; Irritation of gums and mouth: For children over 2 years old, the dose is the same as for adults; Sore throat: Only use in children over 5 years old, the dose is the same as that of adults; Hemorrhoids: Use only in children over 12 years old, the dose is the same as that of adults.
Overdose and treatment Overdose: Overdosage of Benzocaine may appear systemic toxic symptoms such as central nervous system depression, cardiovascular function decline, bradycardia, cardiac arrest. , arrhythmias, hypotension, convulsions and syncope. In addition, drug overdose can lead to methemoglobinemia leading to cyanosis, respiratory failure.
Treatment in case of overdose: Symptomatic treatment of overdose and supportive treatment such as control of seizures, maintenance of airways. Patients with hypermethaemoglobinemia should be treated with intravenous methylene blue.

Conclusion

Benzocaine powder is a versatile and effective local anesthetic that serves an essential role in various medical, dental, and consumer applications. With its rapid onset of action, minimal systemic effects, and low cost, Benzocaine remains one of the most commonly used topical anesthetics worldwide. By understanding its features, benefits, dosage guidelines, and potential risks, users can make informed decisions about its use in both medical and non-medical settings.

While Benzocaine is generally safe when used appropriately, caution is necessary to avoid complications such as methemoglobinemia, especially with long-term or excessive use. As with any medication, it is essential to follow proper dosage and application instructions to maximize its effectiveness while minimizing the risk of adverse effects.

Our Advantages

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