Category: Pharmacology FAQ’S

The autonomic nervous system (ANS) is a division of the peripheral nervous system that controls involuntary physiological functions and maintains homeostasis in the body. It regulates various bodily processes such as heart rate, digestion, respiratory rate, pupillary response, and glandular secretion, without conscious effort. The autonomic nervous system consists of two main divisions: The sympathetic…

Drug interactions occur when two or more drugs interact with each other, altering the pharmacokinetic or pharmacodynamic properties of one or both drugs. These interactions can lead to changes in drug efficacy, safety, or both, potentially causing adverse effects or reducing therapeutic effectiveness. Drug interactions can occur via various mechanisms, and they are classified into…

The action of a drug, once it has reached its target site, can be influenced by various factors. These factors modify the drug’s effects on the body, potentially altering its potency, duration, or side effects. Understanding these factors is essential for healthcare professionals to optimize drug therapy and ensure the safety and efficacy of treatment.…

Bioavailability refers to the fraction or percentage of a drug that reaches systemic circulation in its unchanged form after administration, thus making it available for its intended therapeutic effect. It is a crucial concept in pharmacology and pharmacokinetics, as it determines the extent and rate at which a drug reaches its target site in the…