Introduction: The indication of pHmeter of 24 hours (pH24h) to diagnosis gastroesophageal reflux disease (GERD) of atypical presentation by otolaringology symptoms (OTL) it's more frequent. Objective: To describe the pH24h in children with GERD and OTL symptoms. Methods: Comparative, descriptive, and retrospective study. N = 83 children <14 years old suffering GERD and OTL symptoms, from the HUV in Cali, Colombia. Data: Name, age, gender, symptoms and weigth were taken. They were divided into two groups: OTL symptoms and without OTL symptoms. They were classified as global undernourished (deficit weight/age >10%) according to tables from the NCHS. From pH24h were taken: reflux index (RI), # of acid episodes, # of episodes >5 minutes and duration of the longest episode and association with symptoms. The statistical analysis was the Student's t, having P < 0.05 as significant. Results: 83 children were included (median 46 months), 46 male, 48 with OTL symptoms (crosstalk, otitis, snore, sinusitis, vocal cord nodules and croup) and 35 without OTL symptoms, with global undernourished in 31. 37 pH24h were abnormal: 18 OTL+ and 19 OTL− (P > 0.05). The parameters of pH24h in OTL symptoms were: RI 2.44 ± 2.54%; # of acid episodes 49.38 ± 62.87; # of acid episodes >5 minutes 0.85 ± 1.61 and the duration of the longest episode 5.92 ± 8.06 minutes; and in without OTL symptoms were: RI 3.93 ± 4.30%; # of acid episodes 67.09 ± 68.82; # of acid episodes >5 minutes 0.91 ± 2.02 and the duration of the longest episode 8.32 ± 19.29 minutes. The parameter more altered was # of acid episodes, but it did not have significant differences, encloses when the nutritional state was even valued (P ≥ 0.05). Conclusion: Of 58% of the children with pH24h to discard GERD by so single OTL+ 22% were abnormal, being the parameter it altered # acid episodes more, but without significant differences.