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Fluorouracil. Fluorouracil (5-FU, 5-fluorouracil), sold under the brand name Adrucil among others, is a cytotoxic chemotherapy medication used to treat cancer. [3] By intravenous injection it is used for treatment of colorectal cancer, oesophageal cancer, stomach cancer, pancreatic cancer, breast cancer, and cervical cancer. [3]
Topical creams, such as 5-fluorouracil or imiquimod, may require daily application to affected skin areas over a typical time course of weeks. [ 13 ] Cryotherapy is frequently used for few and well-defined lesions, [ 14 ] but undesired skin lightening, or hypopigmentation, may occur at the treatment site. [ 15 ]
Topical 5-fluorouracil (5-FU, Efudex, Carac) has been shown to be an effective therapy for diffuse, but minor actinic cheilitis. 5-fluorouracil works by blocking DNA synthesis. Cells that are rapidly growing need more DNA, so they accumulate more 5-fluorouracil, resulting in their death. Normal skin is much less affected.
Basal-cell carcinoma (BCC), also known as basal-cell cancer, basalioma[7] or rodent ulcer, [8] is the most common type of skin cancer. [2] It often appears as a painless raised area of skin, which may be shiny with small blood vessels running over it. [1] It may also present as a raised area with ulceration. [1]
If the erythema ab igne lesions demonstrate pre-cancerous changes, the use of 5-fluorouracil cream has been recommended. [medical citation needed] Abnormally pigmented skin may persist for years. Treatment with topical tretinoin or laser treatment may improve the appearance. [medical citation needed]
Fluocinonide. Fluocinonide is a potent glucocorticoid used topically as an anti-inflammatory agent for the treatment of skin disorders such as eczema and seborrhoeic dermatitis. [3] It relieves itching, redness, dryness, crusting, scaling, inflammation, and discomfort.
It is unclear if use in pregnancy is safe for the baby. [4] Flucytosine is in the fluorinated pyrimidine analogue family of medications. [2] It works by being converted into fluorouracil inside the fungus, which impairs its ability to make protein. [2] Flucytosine was first made in 1957. [5]
Topical chemotherapies, such as 5-fluorouracil, are used to treat some cases of non-melanoma skin cancer. [ 74 ] If the cancer has central nervous system involvement, or with meningeal disease, intrathecal chemotherapy may be administered.