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).
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) .
Methylene blue is widely used as a redox indicator in analytical chemistry, meaning that it indicates the presence or absence of oxygen. Oxygen-rich environments are said to be oxidizing.