1. Pharmacokinetics such as absorption, distribution, metabolism, and excretion differ in children compared to adults due to developmental differences. Renal blood flow, glomerular filtration, and tubular function are decreased in neonates and infants compared to older children and adults. 2. Drug administration and dosages in pediatric patients consider factors like age, weight, and surface area. Dosages are often calculated using Clark's and Young's rules. Common dosage forms for children include elixirs and suspensions. 3. Adherence to drug regimens can be challenging in pediatric patients and may involve careful measurement, administration supervision, and addressing issues like spilling or spitting out medication. Overall dos