Chapter 38: Medication & IV Therapy in Pediatric Nursing

Medication & IV Therapy in Pediatric Nursing outlines the specialized techniques and critical safety considerations necessary for administering medications and intravenous (IV) therapy to pediatric patients, recognizing that safe drug management is a core responsibility in child health nursing. Pediatric medication administration is inherently complex because children lack the standard adult dose, requiring precise calculation based on body weight (milligrams per kilogram) or body surface area (BSA, calculated using height and weight via a nomogram, especially for potent drugs like chemotherapy). Nurses must first assess the child's weight in kilograms and developmental stage, as these factors determine appropriate administration methods and sites. Further complicating care is the unique pharmacokinetics of children, whose immature body systems—particularly in newborns—affect how drugs are absorbed, distributed, metabolized, and excreted. For instance, children have higher body water content impacting drug distribution, immature liver enzymes limiting metabolism of certain drugs, and kidney function that may not be fully mature until about 12 months, affecting drug excretion. Safe administration requires adhering to the "rights" of medication management (right drug, dose, route, time, child, and documentation) while employing developmental assessments to address children’s common fears of intrusive procedures and their varying abilities to cooperate. Common routes discussed include oral administration (preferred, often using liquid or meltaway forms, or techniques like mixing crushed pills with small amounts of food for better taste, or practicing swallowing with ice chips). Other routes detailed are intramuscular (IM), with the vastus lateralis preferred in infants to avoid sciatic nerve damage; intranasal (used increasingly for quick absorption); rectal (for vomiting or unconscious patients); ophthalmic; and otic (ear drops must be warmed, and the pinna position adjusted based on age). For IV therapy, isotonic solutions like 0.9% saline are typically used to maintain fluid balance, with careful fluid calculations based on weight (100-50-20 mL/kg formula) and the mandatory use of infusion pumps and volume-limiting chambers to prevent fluid overload. Long-term venous access includes intermittent infusion devices (saline locks), PICC lines, tunneled catheters, and vascular access ports (VAPs), which allow greater mobility. In emergency scenarios when peripheral access is impossible, intraosseous infusion into the bone marrow provides immediate circulatory access. A major nursing responsibility involves educating parents on preventing medication errors, maintaining compliance (e.g., reminder charts), and crucially, ensuring safe drug storage in locked, elevated cabinets, aligning with Healthy People 2030 goals to reduce accidental poisonings and drug misuse among children and adolescents.