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Salvax Duo

Generic name: salicylic acid and urea topical

Brand names: Kerasal, Salvax Duo Plus, Salvax Duo

Last updated November 3, 2026 0 views
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What is Salvax Duo?

Salicylic acid is a peeling agent that helps to shed the outer layer of skin.

Urea is a skin softening agent that helps to moisturize the skin.

The combination of salicylic acid and urea topical is used to soften and remove rough, scaly skin caused by warts, calluses, keratosis, or psoriasis.

Salvax Duo may also be used for other reasons not mentioned in this medication guide.

This section was rewritten for readability and reviewed for meaning.

Warnings

Do not use Salvax Duo on a child younger than 2 years old. This medication should not be used on a child or teenager who has a fever, especially if the child also has flu symptoms or chicken pox. Salicylates can cause a serious and sometimes fatal condition called Reye's syndrome in children.

This section was rewritten for readability and reviewed for meaning.

Before taking this medicine

You should not use this medication if you are allergic to salicylic acid or urea.

Ask a doctor or pharmacist if it is safe for you to use Salvax Duo if you have:

  • kidney disease; or
  • liver disease.

It is not known whether Salvax Duo will harm an unborn baby. Do not use this medicine without medical advice if you are pregnant.

It is not known whether salicylic acid and urea topical passes into breast milk or if it could harm a nursing baby. Do not use this medicine without medical advice if you are breast-feeding a baby.

This medication should not be used on a child or teenager who has a fever, especially if the child also has flu symptoms or chicken pox. Salicylates can cause a serious and sometimes fatal condition called Reye's syndrome in children.

Do not use Salvax Duo on a child younger than 2 years old.

This section was rewritten for readability and reviewed for meaning.

Salvax Duo side effects

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

Stop using Salvax Duo and call your doctor right away if you have a serious side effect such as redness or severe skin irritation after applying the medication.

Less serious side effects may include mild burning, itching, or irritation of the treated skin.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

This section was rewritten for readability and reviewed for meaning.

How should I use Salvax Duo?

Use exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.

Do not use Salvax Duo to treat any skin condition that has not been checked by your doctor.

Gently clean and dry the affected area before applying the medication.

Shake the foam well just before each use. Turn the medicine canister upside down to dispense the foam.

Apply the medication to the affected area as directed. Do not use Salvax Duo on skin that is red, swollen, infected, or oozing.

This medication can cause unusual results with certain medical tests. Tell any doctor who treats you that you are using Salvax Duo.

Use Salvax Duo regularly to get the most benefit. Call your doctor if your symptoms do not improve, or if they get worse while using this medicine.

Store at room temperature away from moisture and heat.

Keep the foam canister away from open flame or high heat, such as in a car on a hot day. The canister may explode if it gets too hot. Do not puncture or burn an empty canister.

What happens if I miss a dose?

Use the missed dose as soon as you remember. Skip the missed dose if it is close to the time for your next scheduled dose. Do not use extra medicine to compensate for the missed dose.

This section was rewritten for readability and reviewed for meaning.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222 if anyone has accidentally swallowed the medication.

Overdose can happen with long-term use or high doses if Salvax Duo is absorbed through the skin. Symptoms of a salicylic acid overdose may include severe dizziness or weakness, vomiting, diarrhea, rapid breathing, confusion, ringing in your ears, or hearing loss.

Wart remover medicine may be flammable. Do not use near high heat or open flame such as a burning candle. Wash the medicine off your hands before handling a hair styling appliance (such as a curling or straightening iron). High heat could cause the medicine to ignite and burn your skin.

Do not smoke until the gel has completely dried on your skin.

Avoid getting this medication in your eyes, nose, mouth, rectum, or vagina. If this does happen, rinse with water.

Avoid using other medications on the areas you treat with Salvax Duo unless your doctor tells you to.

This section was rewritten for readability and reviewed for meaning.

What other drugs will affect Salvax Duo?

It is unlikely that other medicines you take by mouth or inject will affect salicylic acid and urea topical when applied to the skin. However, many medications can interact with each other. Inform all of your healthcare providers about all the medicines you use, including prescription and over-the-counter medicines, vitamins, and herbal products.

This section was rewritten for readability and reviewed for meaning.

Related medicines

Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
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Content is provided for education and is not medical advice. See our medical disclaimer.