Drug toxicity refers to the level of damage that a compound can cause to an organism. The toxic effects of a drug are dose-dependent and can affect an entire system as in the CNS or a specific organ such as the liver.Some drugs are prescribed by the doctors and physicians to treat the particular disease but sometime those can become toxic to the patients because of inappropriate use and administration. To clinical trials should be done before the release of the drug to prevent the toxicity of the drug. Drug toxicity Scholarly peer review is the process of subjecting an author's scholarly work, research, or ideas to the scrutiny of others who are experts in the same field, before a paper describing this work is published in a journal