Caleb Foster
Urea is a waste product created by the liver and removed by the kidneys. It is also naturally produced within the skin as a humectant to retain moisture. In medicine, urea is used to treat dermatological disorders, dry skin, and nail infections. It is available in the form of creams, gels, lotions, ointments, and nail lacquers. When used on nails, urea can help soften damaged nails so they can be removed without surgery. However, it is less effective at removing healthy nails.
| Characteristics | Values |
|---|---|
| Effectiveness on healthy nails | Urea is less effective at removing healthy nails |
| Effectiveness on infected nails | Urea is effective in dissolving fungally-infected nails |
| Safety | Urea nail gel may cause serious side effects and allergic reactions |
| Application | Apply generously to the nail and allow the medicine to dry. Avoid getting any medicine on the cuticles or surrounding skin |
| Use cases | Urea is used to treat dermatological disorders, dry skin, pityriasis rubra pilaris, and non-surgical nail removal |
| Precautions | Do not use on open wounds, burns, or swollen skin. Keep out of reach of children |
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What You'll Learn
Urea is used to treat fungal nail infections
Urea is a waste product created by the liver and removed by the kidneys. It is also naturally produced within the skin as a humectant to retain moisture within the epidermis. Urea has hydrating effects, giving it excellent emollient properties. It can also cause conformational changes in skin protein structures, making them more vulnerable to degradation and exfoliation.
Urea is thought to improve the efficacy of topical and oral antifungal agents. However, the evidence base for this treatment has not been systematically reviewed. Some studies have reported successful chemical avulsion of clinically infected nail plates using 40% urea. Baran and Dawber's "Diseases of the Nail and Their Management" (published in 1984) refers to using 40% urea "under occlusion" to painlessly dissolve away fungal nails.
It is important to note that urea is less effective at removing healthy nails. As an alternative treatment, a total nail avulsion under local anaesthesia may be necessary to expose the nail bed and allow effective removal of the infection.
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$16.69 $25.99
It is less effective on healthy nails
Urea is a waste product created by the liver and removed by the kidneys. It is also naturally produced within the skin as a humectant to retain moisture within the epidermis. Urea is used to treat several dermatological disorders, dry skin, and pityriasis rubra pilaris. It is also used to soften damaged fingernails or toenails so they can be removed without surgery.
Urea is also used to treat onychomycosis, a fungal infection affecting the nail plate. It is thought to improve the efficacy of topical and oral antifungal agents. However, the evidence base for this treatment has not been systematically reviewed. Urea is typically applied topically to the nail and allowed to dry. It can be covered with a bandage or gauze if advised by a doctor. The treated nail should be easily removed after several days.
While urea is an effective treatment for fungal nail infections, it is less effective on healthy nails. This is because the overlying nail plate is generally healthy, so the urea does not work as well. In cases of sub-ungual infection, where the nail plate is almost totally infected, urea treatment may not be as successful. Reduction of the nail plate with a drill prior to treatment can help improve the effectiveness of urea in these cases.
It is important to note that urea nail gel should not be used on open wounds, burns, or areas of swollen skin. It should also be kept out of the eyes, nose, mouth, rectum, and vagina. If the medication comes into contact with these areas, they should be rinsed with water. Additionally, individuals should consult their doctor or healthcare professional if their symptoms do not improve or if side effects occur.
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Urea is available as a gel, cream, or ointment
Urea is a waste product created by the liver and removed by the kidneys. It is also naturally produced within the skin as a humectant to retain moisture within the epidermis. The hydrating effects of urea have been observed – as a humectant, it attracts and holds water within the epidermis, giving it excellent emollient properties.
Urea nail gel is available in many different forms, including cream, lotion, ointment, liquid, foam, and shampoo. It is important to follow the directions on the medicine label or as prescribed by a doctor. It should not be used on open wounds, burns, or swollen skin. It should also not be used in larger or smaller amounts or for longer than recommended.
When applying urea nail gel, it is important to avoid getting any medicine on the cuticles or surrounding skin. It should be applied generously to the nail and allowed to dry. The treated nail should be easily removed after several days. It is also important to wash hands with soap and water after applying the medicine, unless treating the skin on the hands.
Urea is thought to improve the efficacy of topical and oral antifungal agents. However, the evidence base for the use of urea for the treatment of onychomycosis has not been systematically reviewed.
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It can be purchased over the counter
Urea is a waste product created by the liver and removed by the kidneys. It is also a naturally occurring compound in the urine of all mammals. Urea is used in the treatment of fungal nail infections, also known as onychomycosis. It is thought to improve the efficacy of topical and oral antifungal agents.
Urea nail gel is available over the counter and can be purchased from pharmacies and online. It is used to soften damaged fingernails or toenails so they can be removed without surgery. It is important to note that urea nail gel should not be used on open wounds, burns, or areas of swollen skin. If the medication comes into contact with the eyes, nose, mouth, rectum, or vagina, it is important to rinse the area with water.
In the UK, 40% urea can be purchased from pharmacies. Canespro® (Bayer) is a kit containing a tube of 40% urea paste, plasters, and nail files. This high concentration of urea is able to dissolve fungally-infected nails but is less effective at removing healthy nails.
Urea can also be purchased online as a cosmetic ingredient. Lotioncrafter, for example, sells urea online, although it is important to note that their product is not intended to be used as an active pharmaceutical ingredient. Similarly, Amazon sells a product called Ure-Na, which is a USP urea powder with a natural lemon-lime flavor. This product is intended to improve serum sodium levels and is taken by mouth.
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Urea is a naturally occurring waste product
Urea is a waste product that is naturally occurring in mammals and some fishes. It is the byproduct of ammonia, which is formed when proteins are broken down into amino acids for energy. Ammonia is highly toxic, especially to the brain, and requires a lot of water to flush out of the body. Urea is less toxic than ammonia and requires less water to remove.
Urea is the chief nitrogenous end product of the metabolic breakdown of proteins. It is formed in the liver and excreted in urine. Urea also occurs in blood, bile, milk, and perspiration. The process of converting ammonia to urea is called the urea cycle, which utilises five intermediate steps, each catalysed by different enzymes.
Urea is commercially prepared in large quantities from liquid ammonia and liquid carbon dioxide. It is commonly used as a fertiliser and feed supplement, as well as a starting material for manufacturing plastics and drugs.
In medicine, urea is used to treat fungal nail infections, also known as onychomycosis. It is available as a nail gel that can be applied topically to dissolve infected nails. Urea is particularly effective in treating dystrophic onychomycosis, where the nail plate becomes almost totally infected. While urea can dissolve infected nails, it is less effective at removing healthy nails.
Urea is also used to treat dermatological disorders, dry skin, and pityriasis rubra pilaris. It has hydrating effects due to its ability to attract and hold water within the epidermis, giving it excellent emollient properties. Urea can also cause conformational changes in skin protein structures, leading to epidermal thinning without affecting normal skin physiology and integrity.
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Frequently asked questions
Urea is less effective at removing healthy nails. It is a treatment option for fungal nail infections, where it helps to soften damaged nails for removal.
Urea damages the protein structure of infected nails, making them softer and easier to remove. It also improves the efficacy of topical and oral antifungal agents.
Urea nail gel may cause serious side effects, including allergic reactions. It should not be used on open wounds, burns, or swollen skin. Always follow the directions on the medicine label and consult a doctor if in doubt.
