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Common side effects include headache, nausea, and vomiting. While use during pregnancy may harm the fetus, not using it in methemoglobinemia is likely more dangerous. [6] [2] Methylene blue was first prepared in 1876, by Heinrich Caro. [9] It is on the World Health Organization's List of Essential Medicines. [10]
Methylene blue is given as a 1% solution (10 mg/ml) 1 to 2 mg/kg administered intravenously slowly over five minutes. Although the response is usually rapid, the dose may be repeated in one hour if the level of methemoglobin is still high one hour after the initial infusion.
Allergic-like reactions and methemoglobinemia have been documented after the use of methylene blue dye in chromopertubation. [9] These reported symptoms vary from blue discoloration of body fluids to anaphylactic shock. [10] Methemoglobinemia is a blood disorder that can potentially result in various levels of cyanosis. [11]
Though Sethi’s symptoms cleared up on their own in a week, chromhidrosis generally lasts, as there is no cure, says Waldman. She notes that it is important to be evaluated by a physician to rule ...
The synthetic dye methylene blue, containing the structure, was described in 1876. Many water-soluble phenothiazine derivatives, such as methylene blue, methylene green, thionine, and others, can be electropolymerized into conductive polymers used as electrocatalysts for NADH oxidation in enzymatic biosensors and biofuel cells. [10] [11] [12]
Prilocaine (/ ˈ p r aɪ l ə ˌ k eɪ n / [1]) is a local anesthetic of the amino amide type first prepared by Claes Tegner and Nils Löfgren.In its injectable form (trade name Citanest), it is often used in dentistry.
After the FDA has banned red dye No.3, you may be wondering which drinks and candies contain it. Here's the full list—plus, when it'll be removed from shelves.
For color blind people (or in backgrounds where detecting red bacteria is difficult), Victoria blue can be substituted for carbol fuchsin and picric acid can be used as the counter stain instead of methylene blue, and the rest of the Kinyoun technique can be used. [6] Various bacterial spore staining techniques using Kenyon e.g. Moeller's method