Ten days of penicillin therapy may not be the best therapeutic choice for all pediatric patients. Other antibiotics, shortened courses of the cephalosporins in particular, may be preferable in some cases.
Recurrent GABHS infections occur more frequently in the 1990s than the 1970s, occur more frequently in children younger than 8 years of age than in adolescents and occur more frequently after penicillin treatment than with alternative antibiotic therapy.
Objective:To determine the incidence of group A hemolytic streptococcus (GABHS) carriers in children who are well, in children seen with presumed and documented viral illnesses with sore throat, and in children after treatment of acute GABHS tonsillopharyngitis with 10 days of oral penicillin V potassium, oral cephalosporins, or macrolides.Methods: Prospective collection of clinical and microbiologic data from October 1996 to June 1997 in a private pediatric practice were obtained from children who were asymptomatic and well, from children with both presumed (and documented) viral sore throats, and from children who had completed a full antibiotic treatment course for acute GABHS throat infections.Results: The incidence of GABHS carriers was 2.5% among well children (n = 227), 4.4% among children with upper respiratory tract infections including sore throat ARTICLE
To examine whether penicillin treatment success for group A -hemolytic streptococcal tonsillopharyngitis is influenced by patient age, number of days ill prior to initiation of treatment, number of prior episodes, season, total dosage (milligrams per kilogram), and frequency of administration (2 vs 3 times daily). Methods: Four hundred seventy-eight children, adolescents, and young adults aged 2 to 21 years with acute symptoms compatible with the clinical diagnosis of group A -hemolytic streptococcal tonsillopharyngitis and a positive streptococcus rapid antigen detection test result were enrolled (intent-to-treat group). Patients were randomly assigned to receive penicillin V potassium, 250 mg 3 times daily (n = 239) or 500 mg 2 times daily (n = 239). Randomization was independent of patient body weight and treatment was for 10 days with both regimens. Follow-up examinations occurred, and cultures were obtained at 14 to 21 days after the initiation of antibiotic therapy; those with group A -hemolytic strep-tococcus isolated from a throat culture and who returned for follow-up were assessed for outcome (n = 359). Results: Using a logistic regression analysis with a stepwise variable selection, we found the major variables associated with penicillin treatment success to be the number of days ill prior to initiation of treatment (P = .001; odds ratio, 1.55 [95% confidence interval, 1.2-2.1]) and the age of the child when infected (P = .004; odds ratio, 1.14 [95% confidence interval, 1.05-1.25]). The number of prior episodes within the preceding year, the season, the total daily penicillin dose (range, 8-76 mg/kg), and 2 vs 3 times daily dosing did not significantly alter treatment outcome. Conclusion: Treatment after 2 days of illness and of adolescent patients increases penicillin treatment success for group A -hemolytic streptococcal tonsillopharyngitis.
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