Hypnotherapy for chronic idiopathic nausea and functional dyspepsia in children

INTERVENTION: Patients will be randomly allocated to either 6 sessions of gut‐directed hypnotherapy (HT) during 3 months or standard medical treatment (SMT) consisting of antiemetics and prokinetics + 6 sessions of supportive therapy during 3 months. CONDITION: Functional heartburn, Nausea ; ; PRIMARY OUTCOME: The primary outcome is the number of patients with > 50% reduction of their nausea SECONDARY OUTCOME: Secondary outcomes: presence of dyspeptic symptoms, change in quality of life scores, change in Health Utility Index, change in depression and anxiety scores, change in the child’s school absences, and use of medication during the treatment. INCLUSION CRITERIA: Children between 8 and 18 years clinically diagnosed with functional nausea by a paediatrician, either due to chronic idiopathic nausea or functional dyspepsia according to the Rome IV criteria.