Update Date 11/05/2020 . 5 mins read
Share now


What is Dermoplast® (benzocaine topical) used for?

Dermoplast® is 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.

Dermoplast® 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.

Dermoplast® may also be used for purposes not listed in this medication guide.

How should I take Dermoplast® (benzocaine topical)?

Apply to affected area daily. Hold can 6 to 12 inches away from affected area, point spray nozzle and press button. To apply to face, spray in palm of hand and avoid contact with eyes.

For external use only. Do not spray in eyes, on the face or in the mouth. Do not inhale

Intentional misuse by deliberately concentrating and inhaling the contents can be harmful or fatal

Ask your health care provider any questions you may have about how to use this medication.

How do I store Dermoplast® (benzocaine topical)?

Dermoplast® is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store Dermoplast® in the bathroom or the freezer. There may be different brands of Dermoplast® 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 Dermoplast® 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 Dermoplast® (benzocaine topical)?

Before using this drug, tell your doctor if:

  • You are pregnant or breastfeeding. This is because, while you are expecting or feeding a baby, you should only take medicines on the recommendation of a doctor.
  • You are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, such as herbal and complementary medicines.
  • You have allergy with any of active or inactive ingredients of Dermoplast® or other medications.
  • You have any other illnesses, disorders, or medical conditions.

Get emergency medical help if you have symptoms of methemoglobinemia: headache, tired feeling, confusion, fast heart rate, and feeling light-headed or short of breath, with a pale, blue, or gray appearance of your skin, lips, or fingernails.

Do not use this medicine on a child younger than 2 years old without medical advice.

Do not use benzocaine topical if you have ever had methemoglobinemia in the past.

An overdose of numbing medications can cause fatal side effects if too much of the medicine is absorbed through your skin and into your blood. This is more likely to occur when using a numbing medicine without the advice of a medical doctor (such as during a cosmetic procedure like laser hair removal). Be aware that many cosmetic procedures are performed without a medical doctor present.

Ask a doctor or pharmacist if it is safe for you to use this medicine if you have:

  • Asthma, bronchitis, emphysema, or other breathing disorder
  • Heart disease
  • A personal or family history of methemoglobinemia, or any genetic (inherited) enzyme deficiency
  • If you smoke

Is it safe during pregnancy or breastfeeding?

There are no adequate studies in women for determining risk when using Dermoplast® during pregnancy or while breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking Dermoplast®. Dermoplast® 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 Dermoplast® (benzocaine topical)?

Benzocaine topical used in the mouth or throat may cause a rare but life-threatening condition called methemoglobinemia. In this condition, the amount of oxygen in your blood stream becomes dangerously low. This condition may occur after only one use of benzocaine or after several uses.

Signs and symptoms may occur within minutes or up to 2 hours after using benzocaine topical in the mouth or throat. Get emergency medical help if you have:

  • Headache, tired feeling, confusion
  • Fast heart rate
  • Feeling light-headed or short of breath
  • Pale, blue, or gray appearance of your skin, lips, or fingernails

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using benzocaine topical and call your doctor at once if you have:

  • Severe burning, stinging, or sensitivity where the medicine is applied
  • Swelling, warmth, or redness
  • Oozing, blistering, or any signs of infection

Common side effects may include:

  • Mild stinging, burning, or itching where the medicine is applied
  • Skin tenderness or redness
  • Dry white flakes where the medicine was applied

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.


What drugs may interact with Dermoplast® (benzocaine topical)?

Dermoplast® 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 Dermoplast® (benzocaine topical)?

Dermoplast® 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 Dermoplast® (benzocaine topical)?

Dermoplast® 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.


The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using Dermoplast® (benzocaine topical).

What is the dose of Dermoplast® (benzocaine topical) for an adult?

Adults and children 2 years and older: Apply to affected area not more than 3 to 4 times daily.

What is the dose of Dermoplast® (benzocaine topical) for a child?

Children under 2 years of age: Consult a doctor.

How is Dermoplast® (benzocaine topical) available?

Dermoplast® is available in the following dosage forms and strengths:

  • Spray

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 Dermoplast®, 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.

msBahasa Malaysia

Was this article helpful for you ?
happy unhappy"

You might also like


Learn about campesterol. What do people use it for? What should we know before using it? What are side effects, the warnings and the dose?

Written by Du Khuu
Herbals A-Z, Drugs/Herbals A-Z 09/10/2017 . 3 mins read


Learn about Bactine. What are the precautions, the warnings and the usage of this drug? What should we know about its dose?

Written by Nha Ngo
Drugs A-Z, Drugs/Herbals A-Z 03/10/2017 . 9 mins read


Learn about mesoglycan. What do people use it for? What should we know before using it? What are side effects, the warnings and the dose?

Written by Du Khuu
Herbals A-Z, Drugs/Herbals A-Z 18/09/2017 . 4 mins read

Black wolfberry

Learn about black wolfberry. What do people use it for? What should we know before using it? What are side effects, the warnings and the dose?

Written by Du Khuu
Herbals A-Z, Drugs/Herbals A-Z 13/09/2017 . 3 mins read

Recommended for you

arthritis psoriasis

Every 1 in 3 Psoriasis Patients Develops Arthritis

Medically reviewed by Dr. Joseph Tan
Written by Aaron Joseph Sta Maria
Published on 09/04/2020 . 4 mins read
Benzocaine topical

Benzocaine topical

Medically reviewed by Hello Doktor Medical Panel
Written by English Content
Published on 08/01/2018 . 12 mins read
Black nightshade

Black nightshade

Written by Du Khuu
Published on 12/12/2017 . 2 mins read
Blond psyllium

Blond psyllium

Written by Du Khuu
Published on 17/11/2017 . 6 mins read