Pimecrolimus is used to treat eczema. It works by suppressing the effect of certain immune cells that causes inflammation on the skin. There are many pimecrolimus pharmaceutical manufacturers in the market that cater to various medical requirements. The composition of the drug is determined by the client based on which the final product is released. One of the main challenges of this task is to consistently maintain quality without any exceptions. Companies engaged in this line of work are constantly reviewing their systems and processes to ensure there is no lag and they can deliver quality-driven products each time.