-Drug reactions can mimick several skin eruptions and any drug can create a drug eruption.
-Reactions can be classified by appearance (urticaria, lichenoid…), mechanism (e.g phototoxic drug reaction), or by the drug involved.
-Reactions tens to be non-specific and then enter a differential diagnosis. However, Fixed Drug Reactions appear when the drug is taken and subside on removal. Accidental ingestion leads to reappearance of the lesions usually in the same are.
-Most drug reactions are benign and self-limited and morbilliform drug eruptions are the most common.
-However some like Lyell’s syndrome (Toxic epidermal Necrolysis (TEN) with more than 30% of the Body Surface Involved) can be life-threatening.
-Described drug reactions and the causative drug can be read i