Mesotan

Mesotan (Mesotan), methoxymethyl ether of salicylic acid, obtained by the action of chloromethyl ether on sodium salicylate; a yellowish oily liquid with an aromatic odor; almost insoluble in water, easily soluble in alcohol, ether, and fatty oils; easily decomposed; saponified by alkalis and steam; should be stored in the dark without contact with moisture. M. is used locally, is absorbed through the skin and acts similarly to salicylic acid. M. is excreted in urine in the form of salicylic acid. Used mainly for the treatment of acute and chronic rheumatism. Method of application - rubbing and smearing the affected areas with M. per se or mixed half-and-half with vegetable or vaseline oil. Dose: 3.0-5.0 at a time, followed by wrapping the affected area with cotton. M. is also prescribed for skin itching, foot sweating, and night sweats in tuberculosis (8-10 drops are rubbed into the skin). Side effects: skin erythema, eczema, and other dermatitis have rarely been observed, especially with too vigorous rubbing.