Black salve, also known by the brand name Cansema, is a dangerous and controversial alternative cancer treatment. The product is commonly classified as an escharotic--a topical paste which burns and destroys skin tissue and leaves behind a thick, black scar called an eschar. Escharotics were widely used to treat skin lesions in the early 1900s, but have since been replaced by safer and more effective treatments. Escharotics, such as black salves, are currently advertised by some alternative medicine marketers as treatments for skin cancer, often with unsubstantiated testimonials and unproven claims of effectiveness.
The U.S. Food and Drug Administration has listed Cansema as a "fake cancer cure" and warns consumers to avoid it.
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Usages and dangers
Cancer salves were first documented as a form of quackery in a 1955 Time article:
Although more recent reports document that some alternative medicine practitioners use the Internet to market escharotics as purported "cures" for skin cancer, they are not recommended as treatments for skin lesions or skin cancer by medical authorities. The effectiveness of escharotics is unproven, while safer and more effective conventional treatments exist for skin cancers, such as: cryotherapy; topical agents such as imiquimod, fluorouracil and ingenol mebutate; radiation therapy; and surgical excision, including Mohs surgery (microscopically controlled surgery used to remove and test cancerous tissue).
Escharotics can cause serious scarring and damage to normal skin. Their manufacture is largely unregulated, so the strength and purity of marketed products are unknown and unverified. Numerous reports in the medical literature describe serious consequences of using escharotics in place of standard treatments for skin cancer, ranging from disfigurement to preventable cancer recurrences. The website Quackwatch posted a warning against the use of escharotics in 2008, with a collection of sourced documents compiling issues of patient injury from their use. A more recent study revealed that many individuals who have used black salve were unaware of its potential dangers. In a 2016 news release titled "Beware of black salve," the American Academy of Dermatology urged patients to consult a dermatologist before using home remedies for skin cancers.
Black Salve For Cancer Treatment Video
Ingredients
Common ingredients of black salves include zinc chloride, chaparral (also known as creosote bush), and often bloodroot, a plant frequently used in herbal medicine. The extract of bloodroot is called sanguinarine, an ammonium salt which attacks and destroys living tissue and is also classified as an escharotic.
Regulation
Cansema is listed by the U.S. Food and Drug Administration (FDA) as one of 187 fake cancer cures. Cansema continues to be marketed by numerous individuals, as evidenced by recent FDA Warning Letters. The FDA has taken enforcement action against illegal marketing of Cansema as a cancer cure, as in the 2004 arrest and conviction of Greg Caton.
The FDA has taken an active role in the banning of these chemicals for use as a cancer cure. Typical warning letters detail the dangers of this product while also admonishing the purveyors of their obligation to comply with federal law. Summaries of recent letters are cataloged on the FDA website.
The Therapeutic Goods Administration (TGA) of Australia is advising consumers against purchasing or using black salve, red salve or cansema products. The TGA has found the Australian Vaccination-Skeptics Network (AVN) in breach of advertising regulations, and in a separate finding the AVN's former president Meryl Dorey together with Leon Pittard of Fair Dinkum Radio were found to be in breach.
Source of the article : Wikipedia
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