Eurax, crotamiton USP, is a scabicidal and antipruritic agent available
as a cream or lotion for topical use only. Eurax provides 10% (w/w) of
the synthetic, crotamiton USP, in a vanishing-cream or emollient-lotion
base containing: water, petrolatum, propylene glycol, steareth-2, cetyl
alcohol, dimethicone, laureth-23, fragrance, magnesium aluminum silicate,
carbomer-934, sodium hydroxide, diazolidinyl urea, methylchloroisothiazolinone,
methylisothiazolinone and magnesium nitrate. In addition, the cream contains
glyceryl-stearate. Crotamiton is N-ethyl-N-(o-methylphenyl)-2-butenamide.
Crotamiton USP is a colorless to slightly yellowish oil, having a faint
amine-like odor. It is miscible with alcohol and with methanol. Crotamiton
is a mixture of the cis and trans isomers. Its molecular
weight is 203.28.