Various conditions can lead to irritated, red skin. Causes can range from a temporary sensitivity to a chronic skin problem. Common culprits of red skin or red spots include: 1  Dry skin. 2  Sunburn. 3  Rosacea. 4  Acne. 5  Allergic contact dermatitis. 6  Eczema (atopic dermatitis).
Methylene blue is a component of a frequently prescribed urinary analgesic/anti-infective/anti-spasmodic known as Prosed, a combination of drugs which also contains phenyl salicylate, benzoic acid, hyoscyamine sulfate, and methenamine (aka hexamethylenetetramine and not to be confused with 'methanamine').
Methylene blue, also known as methylthioninium chloride, is a medication and dye.[1] As a medication it is mainly used to treat methemoglobinemia.[1][3] Specifically it is used to treat methemoglobinemia levels that are greater than 30% or in which there are symptoms despite oxygen therapy.[3] It has previously been used for cyanide poisoning and ...