About Dr Andrea Rajnakova

Dr Andrea Rajnakova completed her basic medical degree (MD, Hons) in 1992 and subsequently her specialist training in Internal Medicine and postgraduate degree, Master of Medicine (M.Med, Hons) in 1995 in Slovakia, her birth country. After that, she moved with her husband to Singapore to start her doctorate medical studies at the National University of Singapore (NUS) as a PhD scholar, finishing her thesis on gastric cancer in 2000.

Dr Rajnakova received the membership of the Royal Colleges of Physicians of the UK, MRCP (UK) and Master of Internal Medicine, Singapore (MMed) and was awarded the Fellowship of the Academy of Singapore in Gastroenterology (FAMS). On top of that, she also speaks a diverse array of languages; she is fluent in English, Czech, Slovak, and Russian.

Dr Rajnakova was a Consultant in the Department of Gastroenterology and Hepatology, National University Hospital (NUH). She also served both as a clinical tutor for undergraduate and postgraduate students in the Yong Loo Lin School of Medicine, as well as a mentor and endoscopy trainer for specialists and endoscopy trainees.

After leaving NUH in 2010, she opened her private practice Andrea’s Digestive Clinic at Mount Elizabeth Orchard, and recently she set up her new clinic at Royal Square at Novena.

Dr Rajnakova aims to offer a comprehensive array of services to her patients and has a range of interests that cover therapeutic endoscopy, celiac disease, food allergies, and diet and nutrition.

Contact Dr Andrea Rajnakova

Phone: 62642836


  • M.D. (Slovakia)
  • M. Med (Slovakia)
  • PhD (S'pore)
  • M. Med (S'pore)
  • MRCP (UK)
  • FAMS (Gastroenterology)

Awards and Achievements

  • Health Manpower Development Plan (HMDP) award by the Ministry of Health
  • Goodwill Envoy award from the Ministry of Foreign Affairs, Slovakia (2014)
  • Winner for best oral presentation on medical disciplines, National Healthcare Group 8th Annual Scientific Congress in Singapore (2009)
  • EXSA National Excellent Service Star award, Spring Singapore (2008)
  • Sunny-side-up service award, National University Hospital (2007)
  • EXSA National Excellent Service Gold award, Spring Singapore (2008)
  • Best Paper award (oral presentation) at the Nitric Oxide Symposium, Singapore (1998)
  • Winner of the Young Doctor's Research award, National University Hospital's inaugural annual scientific meeting, Singapore (1997)

Dr Andrea Rajnakova offers the following treatments

  • Stomach Ulcer
  • Bowel Disease
  • Inflammatory
  • Treatment for Gastrointestinal Conditions such as:
  • Liver Diseases Treatment (eg. hepatitis B and C)
  • Irritable Bowel Syndrome

Recent Answers

What are the side effects of constantly taking laxatives to pass motion?

There are 5 groups of laxatives: osmotic laxatives bulk-forming laxatives stimulating laxatives stool softeners and rectal suppositories Common side effects of laxatives include: bloating skin rash cramping diarrhea nausea thirst Laxatives are not recommended during pregnancy and breastfeeding. Overuse of laxatives can result in the intestines losing muscle and nerve response, which can lead to dependency on laxatives to have a bowel movement. Talk with your doctor before using any laxative.

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Answered By

Dr Andrea Rajnakova


What causes small intestinal bacterial overgrowth?

SIBO stands for small intestinal bacterial overgrowth. SIBO can be considered to be of two types. One is associated with identifiable diseases or conditions of the intestines. The other is not. SIBO of either type can give rise to similar symptoms including indigestion, diarrhea, bloating, abdominal pain, and diarrhea or loose stools. The type associated with intestinal diseases and conditions may result in, the inability of the body to absorb nutrients from the intestine and may lead to malnutrition and vitamin deficiencies.

Photo of Dr Andrea Rajnakova

Answered By

Dr Andrea Rajnakova



101 Irrawaddy Road Royal Square at Novena #21 - 11/12 Singapore 329565

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Background Check


No Singapore Medical Council Disciplinary Tribunal actions found for the years we collect data.

* This profile has been last updated on September 28, 2020.