Dr. Ramasubramanian V

Dr Ramasubramanian V is a senior infectious diseases specialist in Chennai with 38 years of experience and a pioneering role in establishing infectious diseases as a recognised clinical specialty in India.

He is the Head of the Department of Infectious Diseases, HIV and Tropical Medicine at Apollo Hospitals, Greams Road, Chennai and is a Fellow of the Royal College of Physicians, Glasgow (FRCP) with additional UK credentials in tropical medicine and genitourinary medicine.

Patients seeking expert infectious disease treatment in Chennai, trusted HIV management in Chennai, or advanced tropical medicine consultation in Chennai will find Dr Ramasubramanian at Apollo Hospital, Greams Road and Capstone Multi-Speciality Clinic, Nungambakkam.

He founded Immune Boosters in 2008, India's first dedicated adolescent and adult vaccination and travel health clinic, and is the President of the Clinical Infectious Diseases Society of India (CIDS).

He consults in English, Hindi, and Tamil, ensuring clear communication for patients from across India and internationally.

Specialty Areas and Treatments

Dr Ramasubramanian V manages the full spectrum of infectious disease, HIV, tropical medicine, travel health, and vaccination conditions through evidence-based and antimicrobial stewardship-guided approaches.

Infectious Diseases in Chennai

Dr Ramasubramanian manages acute, chronic, and complex infectious conditions across all organ systems:

• Fever of Unknown Origin evaluation and management
• Cellulitis and Skin and Soft Tissue Infections
• Sepsis and Bacteraemia Management
• Pneumonia and Respiratory Tract Infections
• Urinary Tract and Genitourinary Infections
• Intra-abdominal and GI Infections
• Bone and Joint Infections
• Infective Endocarditis Management
• Meningitis and Central Nervous System Infections
• Fungal Infections including aspergillosis and candidiasis

HIV and Sexual Health in Chennai

Dr Ramasubramanian trained specifically in Infectious Diseases and HIV in the United Kingdom and holds a Diploma in Genitourinary Medicine:

• HIV Diagnosis and Long-Term Management
• Antiretroviral Therapy (ART) Initiation and Monitoring
• Post-Exposure Prophylaxis (PEP) for HIV
• Pre-Exposure Prophylaxis (PrEP) Counselling
• Sexually Transmitted Infections (STI) Diagnosis and Treatment
• Hepatitis B and Hepatitis C Management
• Syphilis and HPV Management

Tropical and Vector-Borne Diseases in Chennai

Dr Ramasubramanian holds a dedicated Diploma in Tropical Medicine and Hygiene from the London School of Hygiene and Tropical Medicine:

• Malaria Diagnosis and Treatment
• Dengue Fever Management
• Leptospirosis Treatment
• Typhoid and Enteric Fever
• Leishmaniasis Management
• Schistosomiasis and Helminthic Infections
• Tuberculosis Diagnosis and Management
• Kawasaki Disease Management

Travel Medicine and Vaccination in Chennai

Dr Ramasubramanian founded Immune Boosters in 2008, India's first dedicated adolescent and adult vaccination and travel health clinic:

• Pre-Travel Health Consultation and Risk Assessment
• Travel Vaccinations including Hepatitis A, Typhoid, Yellow Fever, Japanese Encephalitis
• Adolescent and Adult Vaccination Programmes
• Post-Travel Illness Evaluation
• Malaria Chemoprophylaxis Counselling

Antimicrobial Stewardship

Dr Ramasubramanian is an Advisor to the Antibiotic Stewardship Initiative of the Indian Council of Medical Research (ICMR) and has been instrumental in establishing antimicrobial stewardship and infection control principles across multiple hospitals:

• Antimicrobial Stewardship Consultation for appropriate antibiotic use
• Hospital Infection Control Advisory
• Drug-Resistant Infection Management
• Rational Antibiotic Prescribing Guidance

Qualifications

• MBBS from Madras Medical College, Chennai (1988)
• MD Internal Medicine from Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh (1992)
• MRCP from Royal College of Physicians, UK (1994)
• Diploma in Genitourinary Medicine (DGUM) from Society of Apothecaries of London, UK (1995)
• Diploma in Tropical Medicine and Hygiene (DTM and H) from London School of Hygiene and Tropical Medicine, UK (1996)
• FRCP from Royal College of Physicians, Glasgow (2006)
• Fellowship at National Institute of Allergy and Infectious Diseases (NIAID), Maryland, USA

Dr Ramasubramanian holds active medical council registration with the Tamil Nadu Medical Council (Reg. No. 44305, 1988), supporting his current practice as an infectious diseases specialist in Chennai.

His Fellowship at the National Institute of Allergy and Infectious Diseases (NIAID), Maryland, USA placed him at one of the world's foremost infectious disease research institutions, operating under the US National Institutes of Health.

Clinical Leadership and Social Initiatives

Dr Ramasubramanian has built several landmark initiatives in infectious disease practice and public health in India:

• Founder of Immune Boosters (2008), India's first dedicated adolescent and adult vaccination and travel health clinic, T Nagar, Chennai
• Co-Founder, Capstone Multi-Speciality Clinic, Nungambakkam, Chennai (2018), a patient-centred outpatient multispeciality clinic focused on ethical and holistic care
• President, Clinical Infectious Diseases Society of India (CIDS)
• ESCMID International Affairs Subcommittee
• Adjunct Professor of Infectious Diseases at Sri Ramachandra Institute of Higher Education and Research (SRIHER), Saveetha Medical College, Apollo Hospitals Educational and Research Foundation, and MGR Medical University, Chennai
• Chair, Hospital Infection Control Committee, Apollo Hospital, Chennai
• Advisor, Antibiotic Stewardship Initiative, Indian Council of Medical Research (ICMR)
• Spearheads IDEF (Infectious Diseases Educational Foundation) and FAITH (Forum for Adult Immunization Towards Health), both NGOs promoting antimicrobial resistance awareness and adult immunisation

Awards and Recognitions

• Gold Medal in Eye and ENT, LH Hiranandani Prize, MBBS
• Gold Medal, GT Mazumdar Prize, MS
• Best Research Fellow Prize, Swarnalatha Punshi Prize, FMRF

Research and Publications

Dr Ramasubramanian has 63 peer-reviewed publications with over 1,000 citations on ResearchGate, spanning antimicrobial resistance, infectious disease management, adult vaccination, and critical care infections.

He has served as Principal Investigator in multiple Phase 2 and Phase 3 international drug trials and is on the Editorial Board of the Journal of Antimicrobial Resistance (JATR). Selected publications include:

• Plazomicin in Multidrug-Resistant Complicated Urinary Tract Infections: A Scoping Review, Therapeutic Advances in Infectious Disease, December 2025
• A Strategic Approach to Regulating New Antimicrobials, Journal of Global Health, August 2025
• Real-World Evidence on Use of Ceftazidime-Avibactam in the Management of Gram-Negative Infections: A Retrospective Analysis, Cureus, September 2024
• Post-COVID Multisystem Inflammatory Syndrome in Adults: A Study from a Tertiary Care Hospital in South India, The Indian Journal of Medical Research, January 2023
• Establishing Adult Vaccination Clinics in India: A Proposed Framework, Journal of the Association of Physicians of India, May 2025

Professional Memberships

• Tamil Nadu Medical Council
• Indian Medical Association (IMA)
• Society of Apothecaries of London
• ESCMID International Affairs Subcommittee
• President, Clinical Infectious Diseases Society of India (CIDS)

Hospital Affiliations in Chennai

Current Practice

• Apollo Hospital, Greams Road, Chennai as Senior Consultant, Head of Department, Infectious Diseases, HIV and Tropical Medicine. Consultation Fee: ₹2000
• Capstone Multi-Speciality Clinic, Nungambakkam, Chennai as Co-Founder and Director of Medical Services
• Immune Boosters Clinic, T Nagar, Chennai as Founder and Consultant

Past Experience

Dr Ramasubramanian trained in the United Kingdom as Senior House Officer at Princess Royal University Hospital, Bromley and Farnborough Hospital, Kent, as Registrar at the Royal London Hospital, and as Fellow at the National Institute of Allergy and Infectious Diseases, Maryland, USA.

Book an Appointment with Dr Ramasubramanian V, Infectious Diseases Specialist in Chennai

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