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Incidence of antibiotic-associated diarrhea in a pediatric ambulatory care setting
Alisara Damrongmanee1, Nuthapong Ukarapol
1Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
Insights
Antibiotic-associated diarrhea (AAD) affected 6.2% of children in a pediatric outpatient setting. While not statistically significant, amoxicillin/clavulanate showed a trend toward higher AAD incidence, particularly in younger children.
Area of Science:
- Pediatric infectious diseases
- Clinical pharmacology
- Gastroenterology
Background:
- Antibiotic-associated diarrhea (AAD) is a frequent adverse event in pediatric patients receiving oral antibiotics.
- Limited epidemiological data exist regarding the incidence and risk factors of AAD in children.
Purpose of the Study:
- To determine the incidence of antibiotic-associated diarrhea (AAD) in children treated with oral antibiotics.
- To identify potential risk factors associated with AAD in a pediatric outpatient setting.
Main Methods:
- Prospective study enrolling 225 children prescribed oral antibiotics.
- Exclusion criteria included immunodeficiency, existing diarrhea, and recent antibiotic use.
- AAD defined as ≥3 loose stools/day for 2 consecutive days; data collected via parental questionnaire.
Main Results:
- The incidence of AAD was 6.2% among the study population.
- Pharyngotonsillitis was the most common diagnosis; amoxicillin and cloxacillin were frequently prescribed.
- A trend towards higher AAD incidence was observed with amoxicillin/clavulanate, though not statistically significant.
Conclusions:
- Antibiotic-associated diarrhea (AAD) is a notable concern in pediatric ambulatory care.
- Younger children receiving amoxicillin/clavulanate may have an increased risk of developing AAD.
Background:
Although antibiotic-associated diarrhea (AAD) is a common adverse event in children receiving oral antibiotics, few epidemiological studies have investigated this issue.
Objective:
To determine the incidence of AAD in children who received oral antibiotics at the Pediatric Outpatient Department, Chiang Mai University Hospital.
Material And Method:
Children who were prescribed oral antibiotics between September 2004 and June 2005 were randomly enrolled. Subjects with immunodeficiencies, acute/chronic diarrhea, and a history of having taken antibiotics within two weeks prior to this visit were excluded Patients' characteristics including age, gender principal diagnosis, and type of antibiotics were recorded. Parents were asked to observe stool frequency and consistency until one week after discontinuing antimicrobial agents and fill out an appropriate questionnaire. AAD was defined if there were at least three loose or liquid stools per day for two consecutive days. Risk factors including age, type, and dosage of the antibiotics used, were analyzed
Results:
Two hundred and twenty-five children were eligible for data analysis. The mean age was 4.1 years (0.3-14.5 years). Pharyngotonsillitis was the most common diagnosis (53.8%), and amoxicillin and cloxacillin comprised the most common antibiotics prescribed in the present cohort. The incidence ofAAD was 6.2%. All episodes were presented while the patients were taking antibiotics with a mean (+/- SD) onset and duration of occurrence of 2.28 +/- 1.13 and 2.64 +/- 1.15 days, respectively. Premature discontinuation of antimicrobial agents was reported in nine patients (64.3%). There was a trend towards a higher incidence of AAD in the amoxicillin/clavulanate group (16.7%) compared to amoxicillin (6.9%) and erythromycin (11.1%) groups, although it was not statistically significant. In addition, the present study could not demonstrate an association between younger age or the high dosage of antibiotics used, and the development ofAAD.
Conclusion:
AAD was not uncommon in a pediatric ambulatory care setting. It tended to occur in younger children receiving amoxicillin/clavulanate.
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