A Gastro Specialist Clinic That Treats The Root Cause - Not Just The Symptoms

Dr Andrea and our dietician Veronica go beyond endoscopy, uncovering food intolerances, gut imbalances, and lifestyle triggers through detailed consultations and advanced tests.

A Gastro Specialist Clinic That Treats The Root Cause - Not Just The Symptoms

Dr Andrea and our dietician Veronica go beyond endoscopy, uncovering food intolerances, gut imbalances, and lifestyle triggers through detailed consultations and advanced tests.

Senior Gastroenterologist

35 years of experience
15 years in private practice

Clinical Dietician

15+ years of experience

Longer Consults

Clearer Diagnosis
Personalised Treatment

Comprehensive Diagnostic Testing

Incl. lactose & fructose intolerance tests (offered by only two clinics in Singapore)

Dr. Andrea Rajnakova, Ph.D

Senior Consultant Gastroenterologist

Dr. Andrea Rajnakova is an accredited senior gastroenterologist with expertise in therapeutic endoscopy, celiac disease, food allergies, and nutrition. She has extensive clinical experience, including her work as a Consultant at the National University Hospital. She is currently the medical director of Andrea’s Digestive Clinic.

Doctor-Dietician Integrated Gut Care

Andrea Digestive Clinic is Singapore’s only gastroenterology centre with an in-house clinical dietician. Each patient receives medical assessment, diagnostic testing, and customised nutrition planning in one setting — ensuring not just symptom control, but sustainable gut healing from the root cause.

When to see a Gastroentrologist

You should see a gastroenterologist if you frequently experience these symptoms, especially after consuming certain food:

Abdominal pain

Acid reflux/heartburn

Constipation/diarrhoea/bloody stools

Excessive gas/bloating

Food allergies & intolerances

Unintentional weight loss & weight gain

Common Symptoms

You should see a gastroenterologist if you frequently experience these symptoms, especially after consuming certain food:

Some common conditions include:

Stomach and upper gastrointestinal (GI) conditions encompass a range of disorders affecting the digestive system, including Gastroesophageal Reflux Disease (GERD), Helicobacter Pylori Infection, Stomach & Duodenal Ulcer Disease, Dyspepsia and bloating.

Colon and lower gastrointestinal (GI) conditions refer to various disorders affecting the lower digestive tract, such as Colonic Diverticulosis, Haemorrhoids (piles) and Colon Cancer.

Inflammatory Bowel Disease (IBD) is a chronic condition characterized by inflammation of the digestive tract, including Ulcerative Colitis (UC) and Crohn’s Disease.

Liver disease refers to a wide range of conditions affecting the liver, such as liver cancer, liver cirrhosis, Hepatitis B, Hepatitis C, Fatty Liver Disease, which can result in serious complications if not treated.

Food allergies such as Gluten Intolerance and Celiac Disease that specifically involve a reaction to gluten-containing foods. It is one of the most common causes of chronic malabsorption.

Gallstones are solid deposits that can form in the gallbladder, leading to symptoms like abdominal pains, nausea and vomiting.

What to Expect?

Consultation with Dr Andrea

Identify the trigger based on your symptoms. Dr Andrea will find out the issues and symptoms you are experiencing.Dr Andrea will review all pertinent details on current problem, diet and lifestyle, food allergies etc

Diagnostic Tests

Further investigations will be planned base on the medical problem and symptoms you experience.

Treatment

A personalized treatment plan will be presented to you for discussion, so that you can make the most informed decision on the steps moving forward.

When it is found that your GI issues stem from food/diet, our dietician, Ms Veronica will work with you on a personalised dietary plan so that your gut health will improve

Beyond Endoscopy:

Many of Dr Andrea’s patients come to her after having done endoscopies elsewhere which did not help with their conditions.

Our Team

Dr. Andrea Rajnakova, Ph.D

Senior gastroenterologist

Ms. Veronica Cavallini, M.Sc.

Nutritionist specialised in GI conditions & food allergies

Insurance

We welcome patients from all walks of life and offer comprehensive billing options for patients with corporate and personal insurance plans.

We are pleased to be on the following specialist panels for:

Integrated Shield Plan

Singlife with Aviva, Great Eastern Supreme Health, HSBC Life

Corporate insurance

Fullerton Healthcare

AIA, HSBC Life, Alliance Medinet, Cigna, Great Eastern, NTUC Income, Prudential, Tokio Marine, QBE, HENNER

MHC

AIA, AVIVA PCP, HSBC Life, MHC Medical Network, NTUC Income

iXchange

AIA, Cigna, Parkway Shenton

Contact Us

Contact Us

Operational Hours