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Urea/ lactic acid foam

Generic Name: urea/lactic acid (SAL-i-SIL-ik AS-id/ue-REE-a/LAK-tik AS-id)
Brand Name: Salvax Duo Plus

Urea/ lactic acid foam is used for:

Treating dry, rough, scaly skin caused by certain conditions (eg, dermatitis, psoriasis, eczema, corns, calluses). It may also be used for other conditions as determined by your doctor.

Urea/lactic acid foam is a keratolytic. It works by helping to loosen and shed hard, scaly skin.

Do NOT use urea/ lactic acid foam if:

  • you are allergic to any ingredient in urea/lactic acid foam

Contact your doctor or health care provider right away if any of these apply to you.

Before using urea/ lactic acid foam:

Some medical conditions may interact with urea/lactic acid foam. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

  • if you are pregnant, planning to become pregnant, or are breast-feeding
  • if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
  • if you have allergies to medicines, foods, or other substances
  • if you have had a severe allergic reaction (eg, severe rash, hives, difficulty breathing, dizziness) to aspirin or a nonsteroidal anti-inflammatory drug (NSAID) (eg, ibuprofen, naproxen, celecoxib)
  • if the affected skin area is damaged or severely irritated
  • if you have liver or kidney problems, diabetes, or you are dehydrated
  • if the patient is a child or teenager with a viral illness (eg, flu, chickenpox)

Some MEDICINES MAY INTERACT with urea/lactic acid foam. Tell your health care provider if you are taking any other medicines, especially any of the following:

  • Ammonium sulfate because it may increase the risk of urea/lactic acid foam's side effects
  • Corticosteroids (eg, prednisone) because they may decrease urea/lactic acid foam's effectiveness
  • Anticoagulants (eg, heparin, warfarin), aspirin, methotrexate, or sulfonylureas (eg, glipizide) because the risk of their side effects may be increased by urea/lactic acid foam
  • Phenylbutazone, probenecid, pyrazinamide, or sulfinpyrazone because their effectiveness may be decreased by urea/lactic acid foam

This may not be a complete list of all interactions that may occur. Ask your health care provider if urea/lactic acid foam may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use urea/ lactic acid foam:

Use urea/lactic acid foam as directed by your doctor. Check the label on the medicine for exact dosing instructions.

  • Wash your hands immediately before and after using urea/lactic acid foam unless your hands are part of the treated area.
  • Shake well before each use.
  • Apply both medicines in this kit to the affected skin as directed by your doctor. Rub in gently until the medicine is completely absorbed.
  • If you miss a dose of urea/lactic acid foam and you are using it regularly, use it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not use 2 doses at once.

Ask your health care provider any questions you may have about how to use urea/lactic acid foam.

Important safety information:

  • Certain acne products that contain benzoyl peroxide or salicylic acid can rarely cause serious and sometimes life-threatening allergic reactions or severe irritation. Before first use, you may need to follow certain steps to make sure you do not have an allergic reaction. Use urea/lactic acid foam as you were told by your doctor or read the package label. Discuss any questions or concerns with your doctor.
  • Urea/lactic acid foam is for external use only. Do not get it in your eyes, nose, mouth, or on your lips. If you get it in any of these areas, rinse right away with cool water.
  • Do NOT use more than the recommended dose or use for longer than prescribed without checking with your doctor. Overuse of topical products may worsen your condition.
  • Check with your doctor before use if you have a condition that covers a large area of the body.
  • Be sure to apply urea/lactic acid foam only to the affected area and not to normal, healthy skin.
  • Do not use urea/lactic acid foam on skin that is irritated, infected, or reddened. Do not use it on open skin wounds, moles, birthmarks, genital warts, warts on the face, or warts growing hair.
  • The salicylic acid foam in this kit is extremely flammable. Do not store or use urea/lactic acid foam near a fire or open flame.
  • Urea/lactic acid foam may cause harm if it is swallowed. If you may have taken it by mouth, contact your poison control center or emergency room right away.
  • Urea/lactic acid foam contains a salicylate, which has been linked to Reye syndrome. Do not use urea/lactic acid foam on children or teenagers during or after chickenpox, flu, or other viral infections without checking with your doctor or pharmacist.
  • Do not use urea/lactic acid foam for other skin conditions at a later time.
  • Urea/lactic acid foam may interfere with certain lab tests. Be sure your doctor and lab personnel know you are using urea/lactic acid foam.
  • Urea/lactic acid foam should not be used in CHILDREN younger than 2 years old; safety and effectiveness in these children have not been confirmed.
  • PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using urea/lactic acid foam while you are pregnant. It is not known if this medicine is found in breast milk after topical use. Do not breast-feed while using urea/lactic acid foam.

Possible side effects of urea/ lactic acid foam:

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Mild, temporary burning, itching, irritation, or stinging of the skin.

Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); redness; severe or persistent burning, stinging, peeling, or irritation of the skin.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately. Symptoms may include diarrhea; dizziness; loss of hearing or ringing in the ears; mental or mood changes; nausea; rapid breathing; sluggishness; vomiting.

Proper storage of urea/lactic acid foam:

Store urea/lactic acid foam at room temperature, between 59 and 77 degrees F (15 and 25 degrees C). Do not freeze. Store away from heat and direct sunlight. Do not puncture, break, or burn the canister, even if it appears to be empty. Keep urea/lactic acid foam out of the reach of children and away from pets.

General information:

  • If you have any questions about urea/lactic acid foam, please talk with your doctor, pharmacist, or other health care provider.
  • Urea/lactic acid foam is to be used only by the patient for whom it is prescribed. Do not share it with other people.
  • If your symptoms do not improve or if they become worse, check with your doctor.
  • Check with your pharmacist about how to dispose of unused medicine.

This information should not be used to decide whether or not to take urea/lactic acid foam or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about urea/lactic acid foam. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to urea/lactic acid foam. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your health care provider for complete information about the risks and benefits of using urea/lactic acid foam.

Review Date: November 3, 2016

Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.

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