Adverse drug reaction is a condition that describes the harmful effects associated with the usage of given medication for a particular disorder or illness. The adverse drug reactions may occur as a result of single dose or prolonged administration of a drug and or combination of two or more drugs. The adverse drug reactions always imply the harmful and or stressful effects or even the injury that are not favorable to the body. These effects that are generated as a result of adverse drug reactions are abbreviated as adverse drug events. The field of pharmacology that deals with the study of adverse drug reactions is termed as Pharmacovigilance. The adverse drug reactions may be limited to its local area of action or can be systemic where it spreads throughout the systemic circulation. The adverse drug reactions are further classified depending upon the cause of its reaction and secondly on the seriousness and or severity imposed by the reaction in the body. The top open access journals are peer reviewed scholarly journals of Clinical & Experimental Pharmacology. The top open access journals are freely available on the public internet domain, allowing any end users to read, download, copy, distribute, prink, search or link to the full texts of the articles. These provide high quality, meticulously reviewed and rapid publication, to cater the insistent need of scientific community.These journals are indexed with all their citations noted. The top open access journals are indexed in MEDLINE, PUBMED, SCOPUS, COPERNICUS, CAS, EBSCO and ISI.
Last date updated on June, 2014