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ASST. PROF. ANUNDORN WONGTEERASUT

Pediatrics Gastroenterology and Hepatology
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Departments
Pediatrics Gastroenterology and Hepatology
Specialty
Pediatrics
Languages
English, Thai

2000
Doctor of Medicine, แพทยศาสตรบัณฑิต , Faculty of Medicine, Phramongkutklao College of Medicine, Thailand

  • 2020 Certification in Pediatric Neurogastroenterology, Cincinnati’s Children Hospital Medical Center, Ohio, USA
  • 2012 Clinical Fellowships in Pediatric Gastroenterology and Hepatology, Department of pediatric, King Chulalongkorn Memorial Hospital, Bangkok, Thailand.
  • 2006 Residency training in Pediatrics, Department of Pediatric, Phramongkutklao Hospital, Bangkok, Thailand.

  • Gastroesophageal reflux disease (GERD) in children
  • Functional gastrointestinal disorders (e.g., functional abdominal pain, irritable bowel syndrome)
  • Chronic diarrhea and malabsorption syndromes
  • Constipation and defecation disorders in children
  • Food allergies and food intolerance (e.g., cow’s milk protein allergy, lactose intolerance)
  • Inflammatory bowel disease (IBD) (e.g., Crohn’s disease, ulcerative colitis)
  • Gastrointestinal infections (e.g., viral, bacterial, parasitic infections)
  • Helicobacter pylori infection
  • Liver diseases in children
  • Acute and chronic hepatitis
  • Fatty liver disease
  • Cirrhosis and complications of portal hypertension
  • Biliary tract disorders and pancreatic diseases
  • Pediatric feeding disorders and nutritional problems
  • Failure to thrive and malnutrition
  • Celiac disease and other malabsorption disorders
  • Gastrointestinal bleeding
  • Swallowing disorders (dysphagia) and esophageal conditions

  • Diagnostic and therapeutic upper gastrointestinal endoscopy (Esophagogastroduodenoscopy: EGD) in children
  • Colonoscopy and sigmoidoscopy in pediatric patients
  • Endoscopic biopsy of the gastrointestinal tract
  • Endoscopic treatment procedures
  • Foreign body removal
  • Control of gastrointestinal bleeding (e.g., injection therapy, clipping)
  • Esophageal variceal ligation (EVL)
  • Management of biliary and pancreatic disorders
  • Liver-related procedures
  • Percutaneous liver biopsy
  • Assessment and management of pediatric liver diseases
  • pH monitoring and esophageal function testing (e.g., impedance studies)
  • Breath tests (e.g., lactose intolerance, Helicobacter pylori detection)

  • Pediatric Gastroenterology and Hepatology Society of Thailand (PGHST)
  • Royal College of Pediatricians of Thailand (RCPedT)
  • Medical Council of Thailand

  • • Wanichsetakul W, Wongteerasut A Risk Factors of Functional Constipation among Thai Children. Southeast Asian Journal of Tropical Medicine and Public Health. 2021 Mar 1;52(2):191-202.
  • • Wongteerasut A, Phavichitr N, Meekaewkunchorn D. Watery Diarrhea Hypochloremia Achlorhydria Syndrome in an 18-Month-Old Thai Girl with Chronic Secretory Diarrhea. Royal Thai Army Medical Journal. 2021 Sep 18;74(3):247-53.
  • • Wongteerasut A, Pranweerapaibul W. Does Serum Zinc Level Affect Severity of Acute Gastroenteritis Among Pre-School Thai Children? Pediatric Health Med Ther. 2021 Sep 24;12:481-489.
  • • Santucci NR, King C, El-Chammas KI, Wongteerasut A, Damrongmanee A, Graham K, Fei L, Sahay R, Jones C, Cunningham NR, Coghill RC. Effect of percutaneous electrical nerve field
  • stimulation on mechanosensitivity, sleep, and psychological comorbidities in adolescents with functional abdominal pain disorders. Neurogastroenterol Motil. 2022 Aug;34(8):e14358.
  • • Dorfman L, Wongteerasut A, El-Chammas K, Sahay R, Fei L, Kaul A. Novel sensory trigger for gastrocolonic response. Neurogastroenterol Motil. 2023 May;35(5):e14528.
  • • Wongteerasut A. Which Alarm Symptoms Are Associated with Abnormal Gastrointestinal Endoscopy Among Thai Children? Pediatr Gastroenterol Hepatol Nutr. 2024 Mar;27(2):113 124.
  • • Suksawat, Y., Wongteerasut, A. Eosinophilic esophagitis and gastritis as a result of dust mite sublingual immunotherapy. Allergo J Int. 2025;34:84-86.
  • • Sirinil R, Wongteerasut A. Somatic symptom severity during acute illnesses among children with functional gastrointestinal disorders. Clin Exp Pediatr. 2025 Aug;68(8):587-593.

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Doctor Appointment Call : 02-734-0000

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