Study of phenytoin drug related with pharmacovigilance
Journal name: World Journal of Pharmaceutical Research
Original article title: Study of phenytoin drug related with pharmacovigilance
The WJPR includes peer-reviewed publications such as scientific research papers, reports, review articles, company news, thesis reports and case studies in areas of Biology, Pharmaceutical industries and Chemical technology while incorporating ancient fields of knowledge such combining Ayurveda with scientific data.
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Jadhav Ravindra Santosh, Musale Yogesh Jagannath, Gore Shankar Datta and Nagare Bhakti Suhas
World Journal of Pharmaceutical Research:
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Full text available for: Study of phenytoin drug related with pharmacovigilance
Source type: An International Peer Reviewed Journal for Pharmaceutical and Medical and Scientific Research
Doi: 10.20959/wjpr20232-26927
Copyright (license): WJPR: All rights reserved
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Summary of article contents:
Introduction
Pharmacovigilance is the science and activities related to the detection, assessment, understanding, and prevention of adverse effects or any drug-related problems. It plays a critical role in ensuring the safety of medications post-marketing and is particularly significant in developing countries where adverse drug reactions (ADRs) pose a substantial public health risk. This review focuses on phenytoin, an established anticonvulsant, examining its pharmacological properties, clinical applications, and the importance of monitoring ADRs associated with its use.
The Role of Pharmacovigilance
One of the key concepts in the realm of drug safety is the role of pharmacovigilance in enhancing patient care and public health. Pharmacovigilance aims to identify, quantify, and document drug-related problems while also reducing the overall risks associated with medications. Various methods are employed, including passive and active surveillance, cohort event monitoring, and targeted clinical investigations, which collectively contribute to the understanding of drug safety and support effective regulatory decisions. Empowering healthcare professionals and the public to report ADRs is pivotal for achieving these safety objectives.
Phenytoin: Mechanism of Action and Pharmacokinetics
Phenytoin is a widely-used anticonvulsant that operates primarily by blocking voltage-gated sodium channels, thereby stabilizing neuronal membranes and preventing the spread of seizure activity in the brain. The medication exhibits complex pharmacokinetic properties, including a wide distribution volume and extensive protein binding. Its metabolism, predominantly via the liver, leads to the formation of active metabolites that can be responsible for various ADRs, highlighting the importance of careful monitoring to ensure patient safety. Understanding the drug's pharmacokinetics is crucial for determining appropriate dosage and managing potential toxicity.
Adverse Drug Reactions and Management
The monitoring of ADRs associated with phenytoin is essential, given its potential for toxicity. Common ADRs include neurological effects such as dizziness and ataxia, while severe reactions like Stevens-Johnson syndrome pose significant risks, particularly during the early stages of treatment or with rapid dose increases. Management of phenytoin toxicity consists mainly of supportive care, and awareness of drug-drug interactions is critical for minimizing adverse effects. Therefore, healthcare providers must remain vigilant in monitoring patients' responses to the medication and adjusting treatment strategies accordingly.
Conclusion
Phenytoin remains a cornerstone in the management of epilepsy, and its effective use is inherently linked to thorough pharmacovigilance practices. The comprehensive study of this medication highlights not only its therapeutic benefits but also the complexities surrounding its use, including the risk of ADRs and the necessity for close monitoring. Continuous dialogue within the medical community will facilitate improved safety measures and patient outcomes in the utilization of phenytoin and other anticonvulsants, embodying the broader goals of pharmacovigilance in safeguarding public health.
FAQ section (important questions/answers):
What is the primary purpose of pharmacovigilance in drug safety?
Pharmacovigilance focuses on monitoring drug safety by detecting, assessing, and preventing adverse drug reactions to improve patient healthcare and safety.
What are the common side effects associated with phenytoin medication?
Common side effects of phenytoin include headaches, drowsiness, dizziness, nausea, constipation, and swollen gums. Most of these are mild and typically resolve on their own.
How does phenytoin work to prevent seizures?
Phenytoin works by blocking voltage-gated sodium channels, which stabilizes neuronal membranes and reduces the spread of seizure activity in the brain.
What should be monitored when using phenytoin medication?
Patients using phenytoin should monitor for signs of toxicity, including dizziness, confusion, and changes in heart rhythm, especially during dosage adjustments.
What are serious side effects of phenytoin to watch for?
Serious side effects of phenytoin can include skin rashes, hypersensitivity reactions, and potential liver toxicity. Immediate medical attention should be sought if these occur.
Is phenytoin safe for use during pregnancy and breastfeeding?
Phenytoin can pose risks during pregnancy, so it is crucial to consult a doctor. It is considered mostly safe during breastfeeding, but monitoring is advised.
Glossary definitions and references:
Scientific and Ayurvedic Glossary list for “Study of phenytoin drug related with pharmacovigilance”. This list explains important keywords that occur in this article and links it to the glossary for a better understanding of that concept in the context of Ayurveda and other topics.
1) Drug:
Drugs are active substances administered to produce a therapeutic effect and are central to medical practice. Phenytoin is categorized as an antiepileptic drug, illustrating how pharmaceuticals are essential in managing specific health conditions and are subject to rigorous safety monitoring.
2) Medicine:
The medicine refers to relevant therapeutic agents used for treating conditions like epilepsy. In this text, phenytoin as 'the medicine' signifies the focus on its application in seizure management, highlighting its importance in clinical practice.
3) Study (Studying):
The study indicates a systematic examination of a subject, which in this text is focused on phenytoin's effects and safety. It underscores the importance of rigorous research methodologies in informing clinical practices and medication safety.
4) Toxicity:
Toxicity refers to the degree to which a substance can harm organisms. The text highlights phenytoin's toxicity, noting that its adverse effects can impact the cardiovascular and nervous systems. Understanding toxicity is crucial for evaluating medication safety and managing potential risks associated with drug use.
5) Pregnant:
Pregnant refers to the condition of carrying a developing fetus. The text discusses considerations regarding phenytoin use during pregnancy, stressing the need for careful medication management to safeguard both maternal and fetal health against potential drug-related complications.
6) Channel:
Channels refer to biological pathways allowing ions to move across cell membranes. The mechanism of phenytoin involves interaction with sodium channels to stabilize electrical activity in neurons, preventing the hyperexcitability characteristic of seizures, which is crucial for epilepsy management.
7) Ras (Rash):
A rash is a visible change in skin color or texture, often indicating an adverse reaction to a drug. Phenytoin is known to cause rashes, including severe conditions like Stevens-Johnson syndrome, emphasizing the need for monitoring and understanding skin-related adverse effects during treatment.
8) Epilepsy:
Epilepsy is a chronic neurological disorder characterized by recurrent seizures. The study focuses on phenytoin as an effective treatment option, highlighting the importance of understanding and managing epilepsy through proper pharmacological therapy to enhance patient safety and health outcomes.
9) Vomiting:
Vomiting is the act of expelling stomach contents through the mouth. As noted in the sections discussing phenytoin's side effects, it can occur due to toxicity, illustrating the importance of careful dosing and monitoring for gastrointestinal reactions during treatment.
10) Nausea:
Nausea is an unpleasant sensation often leading to the urge to vomit. Phenytoin can induce nausea as a side effect, underscoring the importance of patient monitoring and supportive care to manage adverse reactions associated with antiepileptic medications.
11) Blood:
Blood refers to the bodily fluid responsible for transporting nutrients and oxygen. The text discusses blood level monitoring for phenytoin to ensure therapeutic efficacy and prevent toxicity, emphasizing the need for regular assessments in managing drug therapy effectively.
12) Food:
Food plays a crucial role in drug absorption and efficacy. Phenytoin's administration recommendations specify avoiding antacids and considering food intake's effects on its absorption, highlighting the significance of dietary factors in pharmacological treatments.
13) Sign:
A sign is an indication or manifestation of a condition. In the context of adverse drug reactions, signs of toxicity such as nystagmus and ataxia are discussed, emphasizing the importance of recognizing symptoms to ensure prompt medical intervention.
14) Toxicology:
Toxicology is the study of the adverse effects of drugs and chemicals on biological systems. The text's focus on phenytoin's toxicological aspects underscores the need for ongoing assessment of drug safety and patient health in pharmacotherapy.
15) Activity:
Activity refers to the functional effects of a drug within the body. Phenytoin's anticonvulsant activity is central to its therapeutic role, illustrating how understanding a drug's mechanism is essential in developing effective treatment protocols.
16) Disease:
Diseases encompass various abnormal physiological conditions requiring medical intervention. The text discusses epilepsy as a disease warranting treatment with phenytoin, which underscores the significance of pharmacological management in addressing diverse health challenges.
17) Account:
Accounts refer to documented reports or observations. The text on phenytoin emphasizes the importance of maintaining accurate accounts of drug reactions in pharmacovigilance for enhancing healthcare and ensuring patient safety.
18) Life:
Life in this context symbolizes overall health and well-being. The study of phenytoin's effects aims to enhance life quality for individuals with epilepsy through effective seizure management, showcasing the intersection of pharmacotherapy and quality of life improvements.
19) Genetic disorder:
Genetic disorder denotes conditions caused by abnormalities in genes or chromosomes. The text mentions targeted clinical investigations for individuals with genetic disorders affected by phenytoin, indicating the importance of personalized medicine in understanding different populations' responses.
20) Samtosha (Samtosa, Santosa, Santosha, Santosh):
Santosh is likely the name of one of the authors involved in the research presented in the text. Recognition of a researcher's contribution is essential in academic discourse, acknowledging collaborative efforts in scientific studies and advancements in medical knowledge.
21) Animal:
Animals are often utilized in scientific studies for evaluating drug safety and efficacy. The text mentions initial trials in animal models to assess phenytoin, which is essential for ensuring drug safety before human administration.
22) Firing:
Firing refers to the action potential generation in neurons. Phenytoin's function involves blocking excessive neuronal firing, demonstrating its role in stabilizing brain activity during seizures, which is crucial for treating epilepsy effectively.
23) Post:
Post refers to after an event, especially in medical contexts like post-marketing studies. The text discusses post-marketing surveillance as an essential phase in drug approval, focusing on gathering data on long-term safety and effectiveness after a drug reaches the market.
24) Science (Scientific):
Science denotes the systematic study of the physical or natural world through observation and experimentation. In pharmacovigilance, science plays a crucial role in understanding drug effects, guiding safe medication practices in healthcare through evidence-based approaches.
25) Quality:
Quality indicates the degree of excellence or standard of a product or service. The text emphasizes the quality of pharmacovigilance measures in drug monitoring, which is vital for improving health outcomes and ensuring the effectiveness of interventions.
26) Pharmacological:
Pharmacological pertains to the action and effects of drugs. The mention of pharmacological activities of phenytoin highlights its role as an anticonvulsant, emphasizing the importance of understanding drug interactions and mechanisms in patient therapies.
27) Pharmacology:
Pharmacology is the branch of medicine concerned with the study of drugs and their effects. It encompasses understanding how drugs like phenytoin work within the body, influencing safe and effective treatment practices in healthcare.
28) Malnutrition:
Malnutrition describes a condition resulting from inadequate nutrition, affecting multiple body systems. The text notes that malnutrition may influence phenytoin toxicity, highlighting the interactions between nutritional status and drug actions and the need for comprehensive care.
29) Transformation (Transform, Transforming):
Transformed refers to the metabolic change a substance undergoes in the body. Phenytoin is extensively metabolized, and understanding its transformation is important for predicting efficacy and adverse effects, illustrating the complex interactions between drugs and metabolic processes.
30) Observation:
Observation involves monitoring and recording phenomena. In pharmacovigilance, observation is crucial for identifying adverse drug reactions and ensuring ongoing safety assessments, underscoring the importance of vigilant monitoring practices in healthcare.
31) Practising (Practicing):
Practicing refers to the act of applying knowledge or skills in a professional context. The text discusses practicing physicians in the evaluation of phenytoin, highlighting the need for trained professionals in monitoring and managing patient care effectively.
32) Developing:
Developing in this context refers to low- and middle-income countries facing challenges in healthcare. The emphasis on pharmacovigilance in developing nations highlights the importance of improving drug safety monitoring to establish better health systems and patient care.
33) Irritation:
Irritation indicates a state of discomfort or abnormal sensation. Phenytoin can cause skin irritation, among other side effects, signifying the necessity for regular monitoring and patient education to manage and mitigate adverse drug reactions effectively.
34) Depression:
Depression refers to a severe mood disorder but, in this context, is inferred from possible adverse effects related to drug therapy. Monitoring mental health alongside pharmacotherapy ensures comprehensive care for patients receiving medications like phenytoin.
35) Drowsiness:
Drowsiness is a state of feeling abnormally sleepy or fatigued. Phenytoin can cause drowsiness as a side effect, highlighting the need for patient awareness and counseling regarding medication effects to promote safe usage.
36) Antibiotic (Antibacterial):
An antibiotic is a type of medication used to treat bacterial infections. The text references the importance of recognizing antibiotic interactions with phenytoin, stressing the relevance of understanding co-medications in managing patient safety and efficacy.
37) Knowledge:
Knowledge refers to information or understanding gained from experience or education. In pharmacovigilance, knowledge of drug effects and interactions is critical for healthcare professionals to ensure safe medication practices and improve patient outcomes.
38) Substance:
Substance refers to any matter with uniform properties. In pharmacology, substances like phenytoin play essential roles in treatment, emphasizing the need for thorough understanding regarding their properties, actions, and potential adverse effects within biological systems.
39) Jagannatha (Jagannath, Jagat-natha):
Jagannath is likely another author of the study referenced in the text, reflecting collaborative research efforts in the field. Acknowledging contributors emphasizes the importance of teamwork within scientific investigation for advancing healthcare knowledge.
40) Gathering:
Gathering refers to the collection of information or data. The text discusses gathering data in pharmacovigilance to monitor drug safety and efficacy, underscoring the importance of systematic approaches to improve healthcare responses.
41) Bleeding:
Bleeding refers to the loss of blood, which may indicate serious health issues. The text highlights that phenytoin could cause blood-related disorders, emphasizing the need for vigilance in monitoring patients for any signs of bleeding complications.
42) Company:
Company in this context refers to pharmaceutical companies that research and develop drugs. The role of these companies is integral to the healthcare system, impacting drug availability, safety monitoring, and innovation in treatments like phenytoin.
43) Bhakti:
Bhakti is likely another author of the study referenced in the text, representing collaborative efforts in research. The recognition of authors underscores the importance of teamwork in advancing scientific literature and making drug treatment safer.
44) India:
India is a country where the research community investigates various health issues, including the study of phenytoin. Conducting research within this context reflects on healthcare practices and the significance of understanding localized health challenges.
45) Field:
Field refers to the area of study or profession. The field of pharmacovigilance encompasses the monitoring of drug safety and effectiveness, illustrating the role of specialized knowledge in ensuring safe healthcare practices.
46) Worry (Worried, Worrying):
Worry indicates a state of anxiety concerning potential problems. In the context of medication, concerns regarding side effects and safety necessitate effective communication and education to alleviate patient worries about drug therapy. Addressing these concerns is crucial for adherence and health outcomes.
47) Hand:
Hand symbolizes human agency in healthcare practices. This can refer to healthcare providers administering treatments like phenytoin, indicating the crucial role of trained professionals in direct patient care and managing medication administration.
48) Bile:
Bile is a digestive fluid produced by the liver. In the context of phenytoin metabolism, the text mentions that drug elimination occurs primarily via biliary excretion, highlighting the importance of hepatic processing in drug pharmacokinetics.
49) Milk:
Milk refers to a nutrient-rich liquid produced by mammals. In pharmacology, while not directly covered, the reference to milk relates to advisories about breastfeeding while taking medications like phenytoin, signifying the need for cautious management during lactation periods.
50) Coma:
Coma is a state of profound unconsciousness. The discussion regarding phenytoin toxicity mentions coma as a severe potential outcome of overdose, illustrating the importance of monitoring serum levels and managing dosages effectively to prevent such critical conditions.
51) Male:
Male refers to the biological sex of individuals. In the context of the text, this classification highlights demographic aspects in the study of pharmacovigilance, including how responses to medications like phenytoin can vary between sexes.
Other Science Concepts:
Discover the significance of concepts within the article: ‘Study of phenytoin drug related with pharmacovigilance’. Further sources in the context of Science might help you critically compare this page with similair documents:
Serious side effects, Clinical trial, Adverse drug reaction, Drug Interaction, Patient safety, Hypersensitivity reaction, Pharmacovigilance, Seizure disorder, Toxicology studies, Serum concentration, FDA approval, Side effect, Long term side effects, Drug Storage, Patient interview, Pharmacokinetic, Food interaction.