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').
DRUG DESCRIPTION. Methylene Blue (methylene blue injection) Injection, USP is a sterile solution of methylene blue (methylene blue injection) in water for injection suitable for parenteral administration. C16H18ClN3S MW = 319.86. Each mL of solution contains 10 mg of methylene blue (methylene blue injection) .