To describe GERD digestive expression according to ages: - children (from 0 to 23 months) and (24 months and more)- adults (from 18 to 29 years old), (from 30 to 39 years old), (from 40 to 49 years old), (from 50 to 59 years old), (more than 60 years old)

Inclusion Criteria:

• Adults : - Male or female > or = 18 years old - With at least one GERD typical clinical sign (pyrosis and / or acid regurgitations).- Not receiving any GERD treatment within the 3 previous months.
• Children :- Male or female < 18 years old - With GERD digestive clinical signs during the consultation (receiving treatment or not)- Whose parents or legal guardian gave oral approval to the child participation in the survey.

Exclusion Criteria:

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For GP : the first 3 consecutive adult patients and the first children seen during the GP's visit with a diagnosis of GERD.For Paediatrics : the first 2 consecutive children seen during the Paediatric's visit with a diagnosis of GERD.