RATIONAL USE OF ANTIBACTERIAL DRUGS IN CHILDREN

ISSN: 2582-4686 SJIF 2021-3.261,SJIF 20222.889, 2024-6.875 ResearchBib IF: 9.948 / 2024 VOLUME-5, ISSUE-11 512 RATIONAL USE OF ANTIBACTERIAL DRUGS IN CHILDREN Parpiyeva Salima Department of Pharmacology, Clinical Pharmacology and Medical Biotechnology, ASMI Abstract. This article examines the principles and clinical significance of rational antibacterial drug use in pediatric practice. It highlights the pathophysiological characteristics of children, the risks associated with inappropriate antibiotic prescribing, and the global rise of antimicrobial resistance. The research emphasizes evidence-based prescribing strategies, diagnostic accuracy, dosage optimization, and parental education as key factors to improve treatment outcomes. Kеywоrds: Antibacterial drugs, rational use, pediatric pharmacotherapy, antimicrobial resistance, antibiotic stewardship. INTRОDUСTIОN Rational use of antibacterial drugs in children is a core principle of modern clinical pharmacology and public health, as childhood represents a unique biological period in which drug absorption, distribution, metabolism, and excretion differ markedly from those in adults [1]. Pediatric patients have developing organ systems, varying enzyme activity, and age-specific pharmacokinetics that may significantly influence the efficacy and toxicity of antimicrobial therapy. Because of these physiological differences, inappropriate antibiotic selection, inaccurate dosing, or unnecessary prescriptions may expose children to avoidable harm, including allergic reactions, dysbiosis, toxic effects, and long-term alterations in the microbiome [2]. MАTЕRIАLS АND MЕTHОDS One of the most pressing problems in contemporary pediatrics is the widespread misuse of antibacterial agents for viral infections. Upper respiratory tract illnesses such as influenza, COVID19, bronchiolitis, and common colds account for a significant proportion of pediatric visits, yet they do not respond to antibacterial therapy [3]. Despite this, antibiotics are frequently prescribed due to parental pressure, expectations of quick recovery, or diagnostic uncertainty. Irrational use contributes to the global challenge of antimicrobial resistance, creating bacterial strains that no longer respond to standard therapy. According to WHO estimates, resistance-related complications are responsible for thousands of preventable deaths annually, and the pediatric population is particularly vulnerable due to lower immunity and limited treatment options [4]. Rational antibiotic therapy in children therefore requires strict diagnostic accuracy. Clinicians must base treatment decisions on well-defined clinical symptoms, laboratory biomarkers (CRP, procalcitonin), and microbiological findings whenever possible. Empirical prescribing must follow national or international guidelines, taking into account local resistance patterns, severity of illness, and previous antimicrobial exposure [5]. Precision in dosing is also essential; subtherapeutic doses promote resistance, while overdosing increases toxicity risks. Age-specific dosing regimens, weightbased calculations, and renal/hepatic function assessments form the foundation of safe pediatric pharmacotherapy. RЕSULTS АND DISСUSSIОN ISSN: 2582-4686 SJIF 2021-3.261,SJIF 20222.889, 2024-6.875 ResearchBib IF: 9.948 / 2024 VOLUME-5, ISSUE-11 513 Another essential aspect of rational antibiotic use is adherence to the principles of antimicrobial stewardship. Stewardship programs emphasize optimizing treatment duration, avoiding broadspectrum antibiotics when narrow-spectrum agents are adequate, and implementing “watchful waiting” strategies in mild cases. For example, acute otitis media often resolves spontaneously, and guidelines recommend analgesia and observation before initiating antibiotics in appropriate cases. These practices not only reduce unnecessary exposure but also help protect the child’s developing microbiome, which plays a central role in immune maturation and metabolic regulation. Parental education is equally critical. Misconceptions about antibiotics remain widespread, with many caregivers believing that antibiotics cure all infections or accelerate symptom relief. Physicians must explain the differences between viral and bacterial diseases, potential side effects of antibiotics, and the importance of completing prescribed treatment courses. Empowering parents with accurate knowledge reduces pressure on physicians to prescribe unnecessarily and promotes greater adherence when antibiotic therapy is genuinely needed [4]. In addition, pediatricians must remain aware of common adverse drug reactions associated with antibacterial agents. For instance, macrolides may cause gastrointestinal discomfort; aminoglycosides pose risks of ototoxicity and nephrotoxicity; tetracyclines are contraindicated in young children due to effects on bone and dental development; and fluoroquinolones should be prescribed with caution because of potential musculoskeletal complications. Monitoring for hypersensitivity reactions is essential, as children may develop sudden allergic responses even after previously tolerating similar medications. Globally, rational use of antibiotics in childhood is a cornerstone of reducing the burden of resistant infections, lowering healthcare costs, and improving long-term population health. In Uzbekistan and other developing countries, the expansion of clinical guidelines, improved primary care infrastructure, and better pharmacovigilance systems have strengthened efforts toward evidencebased pediatric prescribing. However, the problem remains urgent, requiring continuous professional development, stricter regulation of over-the-counter antibiotic sales, and expanded public education campaigns. Ultimately, rational antibacterial therapy in children is not only a medical necessity but also an ethical obligation. Protecting the effectiveness of current antibiotics ensures that future generations retain access to life-saving treatments. The rational use of antibacterial drugs in children requires a multi-layered clinical approach that considers not only the pharmacodynamics and pharmacokinetics of medications, but also the specific physiological vulnerabilities of the pediatric population. Children are not “small adults”; their organ systems mature over time, and this affects how antibacterial agents are absorbed, distributed, metabolized, and excreted [1]. Because of these differences, irrational antibiotic use can lead to severe complications ranging from drug toxicity to long-term alterations in the microbiome and antimicrobial resistance patterns. Modern pediatric clinical pharmacology emphasizes individualized therapy—where treatment decisions are based on disease severity, etiological factors, laboratory diagnostics, and the child’s age, weight, immunological status, and comorbid conditions. Empiric therapy remains necessary in acute presentations, but such therapy should always be guided by local resistance profiles and be reassessed as soon as culture results become available. Narrow-spectrum drugs must be prioritized over broad- ISSN: 2582-4686 SJIF 2021-3.261,SJIF 20222.889, 2024-6.875 ResearchBib IF: 9.948 / 2024 VOLUME-5, ISSUE-11 514 spectrum agents whenever possible, as they minimize microbiota disruption and reduce the emergence of resistant strains [2]. Another important aspect is the prevention of unnecessary antibiotic prescriptions. Many infections in children—such as viral upper respiratory tract infections, bronchiolitis, influenza, and nonbacterial gastroenteritis—do not require antibacterial therapy. However, parental pressure, diagnostic uncertainty, or time constraints often lead to antibiotics being prescribed “just in case.” This practice not only fails to improve clinical outcomes but also contributes significantly to global antimicrobial resistance trends, which the World Health Organization describes as one of the top threats to human health [3]. Therefore, pediatricians must communicate effectively with caregivers, explaining why antibiotic therapy is inappropriate in certain situations and educating them on the natural course of viral illnesses. Dose optimization is another cornerstone of rational therapy. Underdosing can result in treatment failure and bacterial resistance, while overdosing increases the risk of toxicity—particularly for drugs eliminated through the kidneys or metabolized by the liver. For example, aminoglycosides such as gentamicin require careful monitoring because of their narrow therapeutic index and risk of nephrotoxicity. Similarly, macrolides may cause gastrointestinal intolerance or cardiac arrhythmias when improperly dosed [4]. This highlights the importance of therapeutic drug monitoring (TDM), especially in critically ill children or those receiving prolonged therapy. СОNСLUSIОN Rational use of antibacterial drugs in children is crucial to ensuring treatment effectiveness, preventing adverse reactions, and controlling antimicrobial resistance. Pediatric patients require individualized therapy that accounts for developmental physiology, precise dosing, and accurate diagnosis. Effective stewardship programs, strong clinician–parent communication, and adherence to evidence-based guidelines are essential components of safe pediatric care. Continued education of healthcare professionals and caregivers, along with improved diagnostic tools and strengthened healthcare policies, will further enhance the rational use of antibiotics and safeguard their effectiveness for future generations. RЕFЕRЕNСЕS 1. Craig W. A., Hunter J. E. Principles of Pediatric Pharmacology. – New York: McGraw-Hill, 2019. – 428 p. 2. Khasanov A. Bolalarda antibakterial terapiya asoslari. – Toshkent: Tibbiyot, 2021. – 216 b. 3. Bradley J. S., Nelson J. D. Nelson’s Pediatric Antimicrobial Therapy. – Washington: AAP, 2022. – 350 p. 4. World Health Organization. Antimicrobial Resistance: Global Report on Surveillance. – Geneva: WHO Press, 2020. – 232 p. 5. Shodiev M. Pediatriyada antibakterial dorilarni oqilona qo‘llash. – Samarqand: SamDTU, 2020. – 188 b.