Final answer:
The preferred oral antibiotics for UTIs in children are typically Amoxicillin or Trimethoprim-sulfamethoxazole, with Ceftriaxone used in serious cases, and Ciprofloxacin less favored in pediatric patients.
Step-by-step explanation:
The preferred oral antibiotics for the treatment of urinary tract infections (UTI) in children are typically narrow-spectrum agents like amoxicillin, or a combination of trimethoprim and sulfamethoxazole (Trimethoprim-sulfamethoxazole). While fluoroquinolones such as ciprofloxacin are effective for adults, they are generally not the first choice for children due to the risk of adverse effects on developing cartilage. Therefore, options a) and c) Ciprofloxacin and Amoxicillin are less favored for a pediatric UTI unless there is a specific indication based on bacterial susceptibility or lack of alternatives. Ceftriaxone, a broad-spectrum cephalosporin, can be utilized in more serious cases that require parenteral administration or when resistance is encountered. Thus, the most commonly prescribed antibiotics for UTIs in children would be Amoxicillin or Trimethoprim-sulfamethoxazole, considering their efficacy, safety profile, and resistance patterns.