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Medications and Drugs

Brand Names: Ultralytic, Ultralytic 2

Generic Name: ammonium lactate and urea (topical) (Pronunciation: a MONE ee um LAK tayt)

What is ammonium lactate and urea (Ultralytic, Ultralytic 2)?

Ammonium lactate is a combination of lactic acid and ammonium hydroxide. Ammonium lactate is a moisturizer.

Urea loosens thick or scaly skin cells and allows them to shed.

Ammonium lactate and urea is used to treat rough or scaly skin caused by such conditions as eczema or psoriasis. This medicine will also help soften cracked skin or callouses.

Ammonium lactate and urea may also be used for purposes other than those listed in this medication guide.

What are the possible side effects of ammonium lactate and urea (Ultralytic, Ultralytic 2)?

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.

Other less serious side effects are more likely to occur, such as:

  • stinging;
  • burning;
  • itching; or
  • other skin irritation.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about ammonium lactate and urea (Ultralytic, Ultralytic 2)?

Do not use this medication if you have ever had an allergic reaction to ammonium lactate or urea.

Before using this medication, tell your doctor about any other medications you are using on your skin.

Use this medication exactly as it was prescribed for you. Do not use the medication in larger amounts, or use it for longer than recommended by your doctor.

Apply ammonium lactate and urea to the skin in the amount your doctor has prescribed for you. Rub the medicine in gently until it is completely absorbed.

Avoid getting this medication in your eyes, mouth, and nose, or on your lips. If it does get into any of these areas, wash with water.

Avoid exposure to sunlight or artificial UV rays (sunlamps or tanning beds). Ammonium lactate and urea can make your skin more sensitive to sunlight and sunburn may result. Use a sunscreen (minimum SPF 15) and wear protective clothing if you must be out in the sun.

Avoid using other skin products that can cause irritation, such harsh soaps or shampoos or skin cleansers, hair coloring or permanent chemicals, hair removers or waxes, or skin products with alcohol, spices, astringents, or lime. Do not use other medicated skin products unless your doctor has told you to.

Side effects of this medication may include stinging, burning, itching, or other skin irritation.



Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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