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Physician ReviewerMBBS, MD, DM (Gastroenterology)

Dr. Randhir Sud, MBBS, MD, DM, MAMS

Chairman, Institute of Digestive & Hepatobiliary Sciences, Medanta – The Medicity

License VerifiedActive & In Good Standing

ID: DMC-09180

Delhi Medical Council (DMC) & Indian Society of Gastroenterology (ISG)

Professional Background & Bio

Dr. Randhir Sud is the Chairman of the Institute of Digestive and Hepatobiliary Sciences at Medanta – The Medicity, Gurugram. Recipient of the Padma Shri award, he is a pioneer in therapeutic gastrointestinal endoscopy, pancreatic-biliary disorders, and digestive health with over 35 years of clinical practice.

Medical Specialization

Gastroenterology, Therapeutic Endoscopy, Hepatobiliary Diseases, GERD, IBD

Clinical Experience

35+ Years Gastroenterology & Digestive Medicine

Hospital / Clinical Affiliation

Chairman, Institute of Digestive and Hepatobiliary Sciences, Medanta – The Medicity, Gurugram, Delhi NCR

Education & Medical Training
  • DM in Gastroenterology - All India Institute of Medical Sciences (AIIMS), New Delhi
  • MD in General Medicine - AIIMS, New Delhi
  • MBBS - Government Medical College, Amritsar

Academic Thesis & Medical Research

140+ Indexed Clinical Papers & Therapeutic Endoscopy Chapters
Postgraduate Thesis / Dissertation Title:

“Therapeutic Endoscopic Retrograde Cholangiopancreatography (ERCP) in Complex Pancreaticobiliary Strictures and Pancreatic Calculi”

Institution: All India Institute of Medical Sciences (AIIMS), New Delhi

Doctorate of Medicine (DM) dissertation on interventional endoscopic ultrasonography (EUS)-guided drainage, biliary metallic stenting, and pharmacological prophylaxis against post-ERCP pancreatitis.

Key Investigative & Clinical Research Domains:
• Advanced Therapeutic Endoscopy & Endoscopic Ultrasonography (EUS)• Chronic Calcific Pancreatitis Management & Extracorporeal Shock Wave Lithotripsy• Gastroesophageal Reflux Disease (GERD) & Barrett's Esophagus Surveillance• Colorectal Polyp Detection & Early GI Cancer Screening

Clinical Areas Reviewed for mediguide4u:

Acid Reflux (GERD), Barrett's Esophagus & Dietary ModulationIrritable Bowel Syndrome (IBS) & Low-FODMAP TherapeuticsChronic Pancreatitis, Gallbladder Sludge & Biliary HealthColon Cancer Screening, Colonoscopy & Polyps
Conflict-of-Interest & Editorial Independence Disclosure

Dr. Sud reports no commercial conflicts of interest or device manufacturer sponsorships.

Guides Medically Reviewed by Dr. Randhir Sud, MBBS, MD, DM, MAMS

Verified for medical accuracy, safety guidelines, and clinical evidence.

9 Reviewed
vitamin B12 deficiencyLifestyle Diseases
2026-08-2910 min read

Vitamin B12 Deficiency: Symptoms, Causes, Foods, Blood Tests, and Treatment Guide

Vitamin B12 (cobalamin) is vital for red blood cell production, cellular DNA synthesis, and central/peripheral neurological integrity. Learn how to spot subtle early deficiency signs, interpret serum B12 and MMA lab results, explore dietary cobalamin sources, and implement proven oral and intramuscular replacement protocols.

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vitamin D deficiencyLifestyle Diseases
2026-08-267 min read

Vitamin D Deficiency: Symptoms, Causes, Risk Factors, and How to Maintain Healthy Levels

We all understand that Vitamin D helps to build our bones; however, it serves an important but subtle function in many aspects of our body, including our muscles, strength, and immunity. If you have felt more fatigue than usual or you just want to make sure your levels are optimal, let’s look at the symptoms of vitamin D deficiency, how it can be diagnosed, and ways to increase your levels.

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GERD and Chronic Acid Reflux: Triggers, PPI Medications, and Dietary AdjustmentsLifestyle Diseases
2026-08-089 min read

GERD and Chronic Acid Reflux: Triggers, PPI Medications, and Dietary Adjustments

Gastroesophageal Reflux Disease (GERD) is a chronic digestive disorder occurring when acidic gastric contents retrograde into the esophagus, causing mucosal inflammation and distressing symptoms. Explore the biomechanics of Lower Esophageal Sphincter (LES) incompetence, step-up vs. step-down medical therapies (PPIs, H2 blockers), endoscopic screening for Barrett's esophagus, and clinical dietary strategies.

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Gout and Hyperuricemia: Uric Acid Causes, Flare-Up Relief, and Low-Purine DietLifestyle Diseases
2026-08-089 min read

Gout and Hyperuricemia: Uric Acid Causes, Flare-Up Relief, and Low-Purine Diet

Gout is an intensely painful inflammatory crystal arthropathy triggered by monosodium urate (MSU) crystal deposition in synovial joints and periarticular tissues. Explore the biochemistry of purine catabolism, hyperuricemia saturation thresholds (>6.8 mg/dL), acute flare abortive therapies (Colchicine, NSAIDs), and lifelong treat-to-target Urate-Lowering Therapy (Allopurinol).

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Metabolic Syndrome: Clinical Diagnostic Criteria, Heart Risks, and Lifestyle ReversalLifestyle Diseases
2026-08-089 min read

Metabolic Syndrome: Clinical Diagnostic Criteria, Heart Risks, and Lifestyle Reversal

Metabolic Syndrome is a complex cluster of interrelated physiological, biochemical, and metabolic abnormalities that dramatically accelerates the risk of cardiovascular disease, Type 2 diabetes, and all-cause mortality. Explore the standardized NCEP ATP III diagnostic criteria, the pathophysiology of visceral adiposity and lipotoxicity, and comprehensive clinical lifestyle reversal protocols.

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Chronic Kidney Disease (CKD): Stages, eGFR Decline, Potassium, and Renal NutritionLifestyle Diseases
2026-09-1110 min read

Chronic Kidney Disease (CKD): Stages, eGFR Decline, Potassium, and Renal Nutrition

Chronic Kidney Disease (CKD) is characterized by progressive, irreversible loss of renal function lasting longer than 3 months, classified into 5 clinical stages based on estimated Glomerular Filtration Rate (eGFR) and albuminuria tiers. Review KDIGO staging heatmaps, metabolic complications (hyperkalemia, hyperphosphatemia, renal anemia), and specialized renal medical nutrition therapy.

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Irritable Bowel Syndrome (IBS): Subtypes, Visceral Hypersensitivity, and Low-FODMAP DietLifestyle Diseases
2026-09-129 min read

Irritable Bowel Syndrome (IBS): Subtypes, Visceral Hypersensitivity, and Low-FODMAP Diet

Irritable Bowel Syndrome (IBS) is a disorder of gut-brain interaction (DGBI) affecting roughly 10% of the global population, characterized by recurrent abdominal pain associated with altered bowel habits. Review Rome IV diagnostic criteria, IBS subtypes (IBS-C, IBS-D, IBS-M), visceral hypersensitivity, Small Intestinal Bacterial Overgrowth (SIBO), and the 3-phase Low-FODMAP elimination and reintroduction protocol.

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