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Drug antagonism refers to a medicine stopping the action or effect of another substance, preventing a biological response. [1] [2] The stopping actions are carried out by four major mechanisms, namely chemical, pharmacokinetic, receptor and physiological antagonism. [2]
Specific locations and functions of the α receptors. Image from Basic and Clinical Pharmacology by Bertram Katzung, et al. [1] Alpha blockers, also known as α-blockers or α-adrenoreceptor antagonists, are a class of pharmacological agents that act as antagonists on α-adrenergic receptors (α-adrenoceptors).
Pharmacological Reviews is a quarterly peer-reviewed scientific journal publishing review articles on all aspects of pharmacology and related topics. It is published by the American Society for Pharmacology and Experimental Therapeutics. The editor-in-chief is Lynette C. Daws (The University of Texas Health Science Center at San Antonio).
A review found that when erythromycin was given with certain oral contraceptives, there was an increase in the maximum serum concentrations and AUC of estradiol and dienogest. [32] [33] Erythromycin is an inhibitor of the cytochrome P450 system, which means it can have a rapid effect on levels of other drugs metabolised by this system, e.g ...
Molecular pharmacology – the discipline of studying drug actions at the molecular level; it is a branch of pharmacology in general. Pharmacogenomics – the study of the human genome in order to understand the ways in which genetic factors determine the actions of medicines. [6] [7]
Metabolic acidosis is a serious electrolyte disorder characterized by an imbalance in the body's acid-base balance.Metabolic acidosis has three main root causes: increased acid production, loss of bicarbonate, and a reduced ability of the kidneys to excrete excess acids. [5]
President Donald Trump’s executive order grasping far greater control over independent federal agencies embraces a constitutionally questionable theory that presidents dating back to Ronald ...
A drug holiday (sometimes also called a drug vacation, medication vacation, structured treatment interruption, tolerance break, treatment break or strategic treatment interruption) is when a patient stops taking a medication(s) for a period of time; anywhere from a few days to many months or even years if the doctor or medical provider feels it is best for the patient.