Drug reactions and interactions in dermatology

The drugs widely used with or without seeking medical advise and there is no lawful limitation on their use. Even drugs used for therapautic purposes, they may produce different kinds of skin reactions.The aim of this essay is to summarize commonly used drugs in dermatology, their possible reactions and interactions on the skin and other systems, the mechanisms of drug reactions and interactions, their clinical presentations and how to deal with such problems in a trial to avoide their occurrence.