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What is Non-pigmenting fixed reactions is caused by: and explain in detail?
Non-pigmenting fixed reactions have been repoed with sympathomimetic agents pseudoephedrine, tetryzoline hydrochloride, difunisal, thiopental (thiopentone), piroxicam, Radiopaque contrast medium iothalamate, arsphenamine paracetamol. Ref: Rook's textbook of dermatology, 8th edition, Pg 75.48.