Benzocaine topical

Medically reviewed by | By

Update Date 11/05/2020 . 12 mins read

Uses

What is Benzocaine topical used for?

Benzocaine topical is commonly used to reduce pain or discomfort caused by minor skin irritations, sore throat, sunburn, teething pain, vaginal or rectal irritation, ingrown toenails, hemorrhoids, and many other sources of minor pain on a surface of the body. Benzocaine is also used to numb the skin or surfaces inside the mouth, nose, throat, vagina, or rectum to lessen the pain of inserting a medical instrument such as a tube or speculum. Benzocaine topical may also be used for purposes not listed in this medication guide.

How should I take Benzocaine topical?

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.

How do I store Benzocaine topical?

Benzocaine topical is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store Benzocaine topical in the bathroom or the freezer. There may be different brands of Benzocaine topical that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.

You should not flush Benzocaine topical down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.

Precautions & warnings

What should I know before using Benzocaine topical?

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.

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

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.

Is it safe during pregnancy or breast-feeding?

There are no adequate studies in women for determining risk when using this Benzocaine topical during pregnancy or while breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking this Benzocaine topical. This Benzocaine topical is pregnancy risk category C according to the US Food and Drug Administration (FDA).

FDA pregnancy risk category reference below:

  • A=No risk,
  • B=No risk in some studies,
  • C=There may be some risk,
  • D=Positive evidence of risk,
  • X=Contraindicated,
  • N=Unknown

Side effects

What side effects can occur from Benzocaine topical?

Get medical help right away if you have any very serious side effects, including: slow/shallow breathing, slow/irregular heartbeat, seizures.

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.

Not everyone experiences these side effects. There may be some side effects not listed above. If you have any concerns about a side-effect, please consult your doctor or pharmacist.

Interactions

What drugs may interact with Benzocaine topical?

Benzocaine topical may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval.

Does food or alcohol interact with Benzocaine topical?

Benzocaine topical may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.

What health conditions may interact with Benzocaine topical?

Benzocaine topical may interact with your health condition. This interaction may worsen your health condition or alter the way the drug works. It is important to always let your doctor and pharmacist know all the health conditions you currently have.

Dosage

The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using this Benzocaine topical.

What is the dose of Benzocaine topical for an adult?

Usual Adult Dose for Anesthesia

Benzocaine topical 20% mucous membrane spray:

Awake intubation, oral airway, bronchoscopy: Apply 1/2 second burst to buccal folds. Instruct patient to swallow several times. Wait 1 minute, then begin procedure.

Upper endoscopy: Apply 1/2 second burst to each buccal fold and instruct patient to swallow several times. Wait 30 seconds, then insert scope.

Esophageal motility: Apply no longer than 1/2 second burst to each naris. Wait 30 to 60 seconds, then insert transducer.

Indirect laryngoscopy, head and neck examinations: Spray 1/2 second burst to each buccal fold, instruct patient to swallow several times. Wait 30 to 60 seconds before initiating procedure.

Arch bar removal: Spray affected area for no longer than 1/2 second. Wait 30 to 60 seconds, then remove arch bar.

Stomatitis, mucositis, pharyngitis, thrush, cancer of throat: Apply topically to affected area(s) as needed.

Benzocaine topical 20% mucous membrane gel:

Awake intubation, oral airway, bronchoscopy: Apply a small amount to naris prior to nasal intubation.

Proctoscopy, flexible sigmoidoscopy: Apply topically to rectal area, wait 30 to 60 seconds then initiate procedure.

Stomatitis, mucositis, pharyngitis, thrush, cancer of throat: Apply topically to affected area(s) as needed.

Benzocaine topical 20% mucous membrane liquid:

Esophageal motility: Tilt the patient’s head back and drip 2 to 3 drops into the naris prior to inserting the transducer.

Indirect laryngoscopy, head and neck examinations: Gargle 1 teaspoonful for approximately 15 seconds, then spit remaining out. Wait 30 to 60 seconds, then initiate procedure.

Nasal biopsies: Tilt patient’s head back and drip 2 to 3 drops into each naris. Wait 30 to 60 seconds, then initiate procedure.

Stomatitis, mucositis, pharyngitis, thrush, cancer of throat: Apply topically to affected area(s) as needed.

Benzocaine topical 20% mucous membrane swab:

Nasal biopsies: Apply topically to naris. Wait 30 to 60 seconds, then initiate procedure.

Benzocaine topical 10% to 15% mucous membrane gel: Apply topically to affected area(s) of mouth and gums up to 4 times daily.

Benzocaine topical 10% mucous membrane powder for reconstitution:

Oral mucositis aphthous ulcers, cancer sores, stomatitis, oral lesions and tissue injury caused by ill fitting dentures and gum disease, and oral problems associated with HIV: Apply topically to affected area(s) of mouth and gums every 4 to 6 hours, not to exceed four doses daily.

Benzocaine topical oral lozenge:

Sore throat pain, mouth pain: 1 lozenge dissolved in mouth every 2 hours as needed.

Usual Adult Dose for Hemorrhoids

Benzocaine topical 20% rectal ointment: After cleansing area with soap and water, apply externally to affected area(s) as needed up to 6 times a day.

Usual Adult Dose for Pain

Benzocaine topical 20% gel:

Sunburn: Apply to affected area as needed up to 4 times a day.

Benzocaine topical 20% spray:

Sunburn, pain, insect bites, pruritus: Hold container approximately 6 to 12 inches from skin and spray on affected area(s) until wet as needed up to 4 times a day. When applying to facial area spray into palm of hand, then rub on face avoiding area around eyes.

Benzocaine topical 20% cream:

Sunburn, pain, pruritus, insect bites, poison ivy: Apply to affected area as needed not more than 1 to 3 times a day.

Benzocaine topical ointment:

Insect bites: Apply topically to affected area(s) as needed.

Benzocaine topical 20% liquid:

Pain: Apply to affected area(s) as needed up to 4 times a day.

Benzocaine topical 5% spray:

Sunburn, pain, insect bites, pruritus: Hold container approximately 10 inches from skin and spray on affected area(s) until wet as needed up to 4 times a day. When applying to facial area spray into palm of hand, then rub on face avoiding area around eyes.

Benzocaine topical cream:

Pruritus, sunburn, insect bites, pain: Apply sparingly to affected area(s) as needed up to 3 or 4 times a day.

Benzocaine topical spray:

Sunburn, pruritus: Hold container approximately 4 to 6 inches from skin and spray sparingly to affected area(s) as needed up to 3 times a day.

Benzocaine sore throat lozenges:

Dissolve 1 lozenge slowly in the mouth every 2 hours as needed.

Usual Adult Dose for Pruritus

Benzocaine topical 20% gel:

Sunburn: Apply to affected area as needed up to 4 times a day.

Benzocaine topical 20% spray:

Sunburn, pain, insect bites, pruritus: Hold container approximately 6 to 12 inches from skin and spray on affected area(s) until wet as needed up to 4 times a day. When applying to facial area spray into palm of hand, then rub on face avoiding area around eyes.

Benzocaine topical 20% cream:

Sunburn, pain, pruritus, insect bites, poison ivy: Apply to affected area as needed not more than 1 to 3 times a day.

Benzocaine topical ointment:

Insect bites: Apply topically to affected area(s) as needed.

Benzocaine topical 20% liquid:

Pain: Apply to affected area(s) as needed up to 4 times a day.

Benzocaine topical 5% spray:

Sunburn, pain, insect bites, pruritus: Hold container approximately 10 inches from skin and spray on affected area(s) until wet as needed up to 4 times a day. When applying to facial area spray into palm of hand, then rub on face avoiding area around eyes.

Benzocaine topical cream:

Pruritus, sunburn, insect bites, pain: Apply sparingly to affected area(s) as needed up to 3 or 4 times a day.

Benzocaine topical spray:

Sunburn, pruritus: Hold container approximately 4 to 6 inches from skin and spray sparingly to affected area(s) as needed up to 3 times a day.

Benzocaine sore throat lozenges:

Dissolve 1 lozenge slowly in the mouth every 2 hours as needed.

Usual Adult Dose for Burns – External

Benzocaine topical 20% gel:

Sunburn: Apply to affected area as needed up to 4 times a day.

Benzocaine topical 20% spray:

Sunburn, pain, insect bites, pruritus: Hold container approximately 6 to 12 inches from skin and spray on affected area(s) until wet as needed up to 4 times a day. When applying to facial area spray into palm of hand, then rub on face avoiding area around eyes.

Benzocaine topical 20% cream:

Sunburn, pain, pruritus, insect bites, poison ivy: Apply to affected area as needed not more than 1 to 3 times a day.

Benzocaine topical ointment:

Insect bites: Apply topically to affected area(s) as needed.

Benzocaine topical 20% liquid:

Pain: Apply to affected area(s) as needed up to 4 times a day.

Benzocaine topical 5% spray:

Sunburn, pain, insect bites, pruritus: Hold container approximately 10 inches from skin and spray on affected area(s) until wet as needed up to 4 times a day. When applying to facial area spray into palm of hand, then rub on face avoiding area around eyes.

Benzocaine topical cream:

Pruritus, sunburn, insect bites, pain: Apply sparingly to affected area(s) as needed up to 3 or 4 times a day.

Benzocaine topical spray:

Sunburn, pruritus: Hold container approximately 4 to 6 inches from skin and spray sparingly to affected area(s) as needed up to 3 times a day.

Benzocaine sore throat lozenges:

Dissolve 1 lozenge slowly in the mouth every 2 hours as needed.

What is the dose of Benzocaine topical for a child?

Usual Pediatric Dose for Anesthesia

Greater than or equal to 2 years to 18 years:

Benzocaine topical 10% mucous membrane gel:

Toothache, sore gums, canker sores: Apply topically to affected area(s) up to 4 times daily. A cotton swab may be helpful when applying to young children.

Greater than or equal to 5 years to 18 years:

Benzocaine topical oral lozenge:

Sore throat pain, mouth pain: 1 lozenge dissolved in mouth every 2 hours as needed.

Usual Pediatric Dose for Hemorrhoids

Greater than or equal to 2 years to 18 years:

Benzocaine topical 20% rectal ointment: Apply externally to affected area up to 6 times a day.

Usual Pediatric Dose for Pain

Greater than or equal to 2 years to 18 years:

Benzocaine Topical 20% Gel:

Sunburn: Apply to affected area as needed up to 4 times a day.

Benzocaine Topical 20% Spray:

Sunburn, pain, insect bites, pruritus: Hold container 6 to 12 inches from skin and spray on affected area(s) until wet as needed up to 4 times a day. When applying to facial area spray into palm of hand, then rub on face avoiding area around eyes.

Benzocaine topical 20% cream:

Sunburn, pain, pruritus, insect bites, poison ivy: Apply to affected area as needed not more than 1 to 3 times a day.

Benzocaine Topical 20% Liquid:

Pain: Apply to affected area(s) as needed up to 4 times a day.

Benzocaine Topical 5% Topical Spray:

Sunburn, pain, pruritus, insect bites, minor abrasions: Hold container 6 to 12 inches from skin and spray on affected area(s) until wet as needed up to 4 times a day. When applying to facial area spray into palm of hand, then rub on face avoiding area around eyes.

Benzocaine Topical – Topical Cream:

Pruritus, sunburn, insect bites, pain: Apply sparingly to affected area(s) as needed up to 3 or 4 times a day.

Benzocaine topical – topical spray:

Sunburn, pruritus: Hold 4 to 6 inches from skin and spray sparingly to affected area(s) as needed up to 3 times a day.

Benzocaine sore throat lozenges:

Children 5 years and older:

Dissolve 1 lozenge slowly in the mouth every 2 hours as needed.

Usual Pediatric Dose for Pruritus

Greater than or equal to 2 years to 18 years:

Benzocaine Topical 20% Gel:

Sunburn: Apply to affected area as needed up to 4 times a day.

Benzocaine Topical 20% Spray:

Sunburn, pain, insect bites, pruritus: Hold container 6 to 12 inches from skin and spray on affected area(s) until wet as needed up to 4 times a day. When applying to facial area spray into palm of hand, then rub on face avoiding area around eyes.

Benzocaine topical 20% cream:

Sunburn, pain, pruritus, insect bites, poison ivy: Apply to affected area as needed not more than 1 to 3 times a day.

Benzocaine Topical 20% Liquid:

Pain: Apply to affected area(s) as needed up to 4 times a day.

Benzocaine Topical 5% Topical Spray:

Sunburn, pain, pruritus, insect bites, minor abrasions: Hold container 6 to 12 inches from skin and spray on affected area(s) until wet as needed up to 4 times a day. When applying to facial area spray into palm of hand, then rub on face avoiding area around eyes.

Benzocaine Topical – Topical Cream:

Pruritus, sunburn, insect bites, pain: Apply sparingly to affected area(s) as needed up to 3 or 4 times a day.

Benzocaine topical – topical spray:

Sunburn, pruritus: Hold 4 to 6 inches from skin and spray sparingly to affected area(s) as needed up to 3 times a day.

Benzocaine sore throat lozenges:

Children 5 years and older:

Dissolve 1 lozenge slowly in the mouth every 2 hours as needed.

Usual Pediatric Dose for Burns – External

Greater than or equal to 2 years to 18 years:

Benzocaine Topical 20% Gel:

Sunburn: Apply to affected area as needed up to 4 times a day.

Benzocaine Topical 20% Spray:

Sunburn, pain, insect bites, pruritus: Hold container 6 to 12 inches from skin and spray on affected area(s) until wet as needed up to 4 times a day. When applying to facial area spray into palm of hand, then rub on face avoiding area around eyes.

Benzocaine topical 20% cream:

Sunburn, pain, pruritus, insect bites, poison ivy: Apply to affected area as needed not more than 1 to 3 times a day.

Benzocaine Topical 20% Liquid:

Pain: Apply to affected area(s) as needed up to 4 times a day.

Benzocaine Topical 5% Topical Spray:

Sunburn, pain, pruritus, insect bites, minor abrasions: Hold container 6 to 12 inches from skin and spray on affected area(s) until wet as needed up to 4 times a day. When applying to facial area spray into palm of hand, then rub on face avoiding area around eyes.

Benzocaine Topical – Topical Cream:

Pruritus, sunburn, insect bites, pain: Apply sparingly to affected area(s) as needed up to 3 or 4 times a day.

Benzocaine topical – topical spray:

Sunburn, pruritus: Hold 4 to 6 inches from skin and spray sparingly to affected area(s) as needed up to 3 times a day.

Benzocaine sore throat lozenges:

Children 5 years and older:

Dissolve 1 lozenge slowly in the mouth every 2 hours as needed.

The dosage has not been established in pediatric patients. It may be unsafe for your child. It is always important to fully understand the safety of the drug before using. Please consult with your doctor or pharmacist for more information.

How is Benzocaine topical available?

Benzocaine topical is available in the following dosage forms and strengths:

  • Mucous membrane lozenge
  • Topical cream
  • Topical gel
  • Topical spray
  • Rectal ointment
  • Topical ointment
  • Topical liquid
  • Mucous membrane spray
  • Mucous membrane gel
  • Mucous membrane swab
  • Mucous membrane liquid
  • Compounding powder
  • Rectal suppository
  • Topical lotion
  • Mucous membrane paste
  • Mucous membrane tablet disintegrating
  • Topical swab
  • Mucous membrane powder for reconstitution
  • Topical stick

What should I do in case of an emergency or overdose?

In case of an emergency or an overdose, call your local emergency services or go to your nearest emergency room.

What should I do if I miss a dose?

If you miss a dose of Benzocaine topical, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Hello Health Group does not provide medical advice, diagnosis or treatment.

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