Doxorubicin (HCl)/Adriamycin HCl is antineoplastic agent, also called as anticancerous drug. Doxorubicin (HCl) is the prototype agent of anthracycline antibiotic, isolated from Streptomyces peucetius var caesius. It contains an amino sugar and an anthracycline ring. Doxorubicin (HCl) is among the most useful cytotoxic anticancerous drugs. It has a broad spectrum of potent activity against many different types of cancers specially haematologic malagnancies. Doxorubicin (HCl) is used in combination with different anticancerous drugs to obtain best therapeutic effects and to reduce the side effects or toxcities.