Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using urea topical and call your doctor at once if you have:
severe redness or irritation of treated skin.
Common side effects may include:
mild itching; or
mild burning or stinging.
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 FDA at 1-800-FDA-1088.
 Urea topical side effects (more detail)
