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Educational Guide · IID Hospital, Surat

When to See an Infectious Disease SpecialistSituations That Need Expert Assessment

Most infections are appropriately managed by a GP. But certain clinical situations — unknown diagnosis after basic workup, treatment failure, specific complex infections, post-travel fever, or immunocompromised patients — require the specific training of an infectious disease specialist to get the right answer quickly.

Fever lasting more than 7 days without a confirmed diagnosis
Infection not responding to antibiotics after 48–72 hours
Post-travel fever — malaria until proven otherwise
Suspected TB, HIV, or opportunistic infection
Recurrent infections with no cause identified
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What an ID Specialist Does

The Three Things an ID Specialist Does That a GP Cannot

Infectious disease is a full medical specialty — not just a sub-interest of general medicine. FNB Infectious Diseases (the qualification Dr. Savaj holds) requires 2 years of dedicated fellowship training after DNB Medicine, focused specifically on the diagnosis and management of complex infections. Three skills define the specialty.

Diagnostic Breadth Across All Infections

A GP’s differential for fever typically spans the common infections of one organ system. An ID specialist’s differential spans all organisms, all body sites, and all patient populations — including rare, atypical, and imported infections that are missed at the GP level. The history, the travel, the exposure, and the microbiology are synthesised into a single diagnosis.

Microbiology Integration & Antibiotic Stewardship

Interpreting culture results requires knowing when a positive is genuine versus contaminated, when a sensitive result means the antibiotic will work in the tissue site of infection, and when resistance mechanisms mean a “sensitive” result is clinically misleading. ID specialists culture before treating and prescribe the narrowest effective antibiotic — never broad-spectrum empirically without cause.

Complex Infection Management

TB treatment, HIV antiretroviral therapy, antifungal selection for invasive fungal disease, management of infections in immunocompromised patients (diabetics, HIV-positive, post-transplant, on biologics) — these require ID-level training. Getting the wrong antibiotic for MDR-TB or the wrong antifungal for cryptococcal meningitis is not just ineffective — it is dangerous.

Clinical Triggers

When to See Dr. Savaj — Specific Clinical Situations

These are the clinical situations where an ID specialist adds the most value — where the GP level of assessment is appropriate as a first step, but specialist input changes the diagnosis, the treatment, or the outcome.

Fever Without a Diagnosis

Fever lasting more than 7 days without a confirmed diagnosis after basic blood tests
Fever of Unknown Origin (FUO): fever above 38.3°C on multiple occasions for more than 3 weeks with no cause despite initial investigation
Fever with unintentional weight loss, drenching night sweats, or firm painless lymphadenopathy — TB or lymphoma until proven otherwise
Fever that resolved and then returned — relapsing fever pattern needs systematic differential diagnosis

Specific High-Stakes Infections

Suspected or confirmed TB — drug selection, contact investigation, IGRA testing, IPT for contacts
HIV diagnosis or management — ART initiation, opportunistic infection prevention, CD4 monitoring, viral load
Chronic hepatitis B — HBV DNA, ALT, timing of antiviral therapy, monitoring for liver cancer
Fungal infections — cryptococcal meningitis, PCP, invasive aspergillosis, mucormycosis — antifungal selection is specialist-level
Drug-resistant infections — MDR-TB, ESBL bacteria, carbapenem-resistant organisms — require specialist antibiotic selection

Treatment Has Failed

Infection not improving after 48–72 hours of what should be the correct antibiotic
Same infection recurring after completing antibiotic courses — the underlying cause has not been identified
Culture shows resistance to the prescribed antibiotic — alternative selection requires specialist knowledge
Multiple antibiotics tried without sustained improvement — diagnosis may be wrong or deeper focus of infection (abscess, endocarditis) not identified

Immunocompromised Patients

HIV-positive patients with any new infection — the differential is entirely different from an immunocompetent person
Diabetics with serious infections — immune impairment means unusual organisms and atypical presentations
Patients on steroids, biologicals (TNF inhibitors), or post-transplant immunosuppression with fever
Any opportunistic infection — even once: PCP, cryptococcal meningitis, CMV, disseminated MAC — mandates ID specialist assessment

Post-Travel Fever & Other Situations

Fever within 3 months of return from a malaria-endemic area — malaria until proven otherwise, even if prophylaxis was taken
HIV exposure (needlestick, sexual) — PEP must be started within 72 hours; assessment cannot wait
Animal bite in rabies-endemic area — rabies PEP assessment and administration
Pre-travel consultation for international or high-risk domestic travel — destination-specific vaccines, malaria prophylaxis, standby medications
Recurrent infections without a cause — systematic immune workup: HIV, HbA1c, serum immunoglobulins
GP vs ID Specialist

What Changes When You See an ID Specialist

This is not a comparison that diminishes GPs — they are the appropriate first point of contact for most infections. It is a description of what additional expertise an ID specialist brings to the situations listed above.

General Practitioner

Appropriate first contact for common infections

ID Specialist (Dr. Savaj)

When the clinical situation demands specialist-level assessment

Approach to Fever
Clinical assessment + basic blood tests. Empirical antibiotic if bacterial infection suspected.
Systematic differential by organism type, route, and exposure. Culture before antibiotics. Travel and exposure history as diagnostic tools.
Antibiotic Selection
Standard empirical antibiotic based on likely diagnosis (e.g. ciprofloxacin for UTI, amoxicillin for chest infection).
Culture-guided. Narrowest effective drug. Aware of local resistance patterns — knows ciprofloxacin is failing for E. coli UTIs in Surat. Never broad-spectrum without cause.
TB Management
Refer to chest physician or DOTS centre after diagnosis. Basic screening with CXR.
Full diagnostic workup: GeneXpert + IGRA. Drug resistance testing. Contact investigation for all household members. IPT for IGRA-positive contacts. MDR-TB management.
HIV Management
Refer to ART centre after diagnosis. Basic monitoring.
ART initiation with appropriate regimen based on resistance testing. Opportunistic infection prevention (cotrimoxazole prophylaxis, TB screening). Monitoring CD4 + viral load. PEP for exposures.
Recurrent Infections
Treat each episode as it presents. May refer if pattern is noted.
Systematic immune workup: HIV, HbA1c, serum immunoglobulins, complement, lymphocyte subsets. Identify the underlying immune defect, not just the current infection.
Post-Travel Fever
May not ask about travel history. May not order malaria smear on day 1.
Travel history is the diagnosis. Malaria smear + RDT on day 1 for anyone returning from endemic area. Destination-specific differential: dengue, typhoid, rickettsial, leptospirosis.

This Is Collaboration, Not Competition

At IID Hospital, Dr. Savaj works alongside the patient’s existing GP and specialists — not as a replacement. A letter is sent to the referring physician after every consultation, summarising the assessment, investigation plan, and treatment recommendations. The GP continues to manage the patient’s other health conditions. The ID specialist manages the infection that required specialist assessment.

2011
MBBSBharti Vidyapeeth University, Pune
2016
DNB MedicineVenus Hospital, Surat
2017
Fellowship IDP.D. Hinduja Hospital, Mumbai
2018
FNB Infectious DiseasesP.D. Hinduja Hospital, Mumbai
2019+
IID Hospital, SuratSpecialised Clinic for Infectious Diseases
How Dr. Savaj Approaches Every Case

The IID Hospital Approach to Infectious Disease

Culture Before Every Antibiotic

No antibiotic is prescribed at IID Hospital without a culture where the clinical situation allows. This identifies the organism, detects resistance, and selects the narrowest effective drug. Empirical antibiotics without culture are never repeated for the same infection.

HIV and TB Excluded in Every Workup

Every patient presenting with fever, weight loss, night sweats, or recurrent infections has HIV tested and TB systematically excluded as a non-negotiable first step. Both are treatable. Both are frequently missed. Missing either means treating the symptom without treating the cause.

The History Is the Diagnosis

The travel history, food and water exposures, animal and mosquito exposures, blood exposures, medication history, and household contacts are taken systematically at every consultation. In infectious disease, a complete exposure history changes the diagnosis more often than any blood test.

Systematic Contact Investigation

If a patient has TB, their household contacts are evaluated. If a patient has hepatitis B, their family members are tested and vaccinated. Infectious disease management is not complete until the source and contacts have been assessed. This prevents the next case.

Prevention at Every Consultation

Pre-travel consultation, TB preventive therapy for IGRA-positive contacts, vaccination review, and monsoon preparedness advice are provided at every relevant consultation. Preventing the infection is always more effective than treating it.

Booking an Appointment

How to Come to IID Hospital — What to Expect

1

No Referral Needed — Self-Refer Directly

Call +91 92747 93759 or WhatsApp to book. No referral letter is needed. You can come directly. Mention the main concern: “I have had fever for 10 days without a diagnosis” or “I returned from travel with fever” or “I have been told I may have TB.” This helps the team prepare for the consultation.

2

Bring Everything

All previous blood test reports (even if “normal” — normal results are diagnostically useful). All culture reports with sensitivity patterns. All antibiotic prescriptions. Imaging reports (X-ray, CT, ultrasound). A written symptom timeline. Travel destinations with dates. Vaccination records if available.

3

The Consultation

Detailed history first — 15–20 minutes. Exact onset, timeline, pattern of fever (constant / spiking / step-ladder), all associated symptoms, travel, food, water, animal, mosquito, and blood exposures. Examination. Review of existing results. Investigation planning — the minimum necessary tests, not a panel of everything.

4

Results and Treatment Plan

For urgent infections (malaria, dengue, meningitis), initial results are reviewed the same day and treatment started immediately. For less urgent situations, results are typically available within 24–72 hours. A treatment plan — or explanation of why treatment is not needed — is given at the results review. Nothing is left unexplained.

5

Follow-Up and Communication

A consultation summary is sent to the referring or existing doctor. Follow-up appointments are booked based on clinical need — culture review, treatment monitoring, contact investigation results. For HIV and TB patients: regular structured follow-up is part of the management plan.

 Clinic Details

IID Hospital — 405 SNS Axis Business Space, Besides Mahavir Hospital, Vesu, Surat 395007
Mon–Sat: 11:00 AM–1:00 PM & 4:00–6:00 PM · Sunday: Closed
+91 92747 93759 — Call or WhatsApp
For monsoon fever: come on day 1 — do not wait
 Book a Consultation  WhatsApp Now
Patient Feedback

What Patients Say About Dr. Pratik Savaj

“
★★★★★
Fever

Three GPs had given me antibiotics for three weeks of fever. Dr. Savaj was the first to culture my blood, identify the correct pathogen, and prescribe the right antibiotic. Within days I had a diagnosis I'd been waiting weeks for. I should have come to an ID specialist sooner.

A
Amir K. Persistent Fever · Surat
Verified Patient
“
★★★★★
Travel

I came back from Kerala with fever and was told it was viral. Dr. Savaj was suspicious of the travel history, tested for both dengue and leptospirosis simultaneously, and confirmed leptospirosis. The GP had never considered it. An infectious disease specialist thinks differently.

P
Priya M. Post-Travel Fever · Surat
Verified Patient
“
★★★★★
Tuberculosis

I was exposed to a TB patient and didn't know whether to take preventive treatment. Dr. Savaj assessed my exposure, arranged a tuberculin test, reviewed my chest X-ray, and gave me a clear recommendation. This is exactly the kind of specialist decision a GP cannot make.

S
Suresh R. TB Contact · Surat
Verified Patient
“
★★★★★
Infection

I had four UTIs in six months treated with the same antibiotic each time. Dr. Savaj cultured the organism, found antibiotic resistance, changed the treatment, and identified an anatomical cause that no one had investigated. The recurrence stopped completely after the right specialist review.

R
Reena B. Recurrent UTI · Surat
Verified Patient
“
★★★★★
HIV

I needed PEP after a high-risk exposure and had no idea where to go. Dr. Savaj saw me the same day, started PEP within the 72-hour window, and explained the full course. His non-judgmental, expert approach made an extremely stressful situation completely manageable.

M
Mohan S. HIV Risk · Surat
Verified Patient
“
★★★★★
Hepatitis B

My GP found hepatitis B on a routine test and didn't know what to do next. Dr. Savaj staged my infection correctly, explained the difference between phases, and told me exactly who needed treatment and who needed monitoring. This is specialist-level care that cannot be replicated at a GP level.

F
Farida N. Hepatitis B · Surat
Verified Patient
Specialist Questions

Frequently Asked Questions
About Seeing an ID Specialist

Answered by Dr. Pratik Savaj, FNB Infectious Diseases — IID Hospital, Vesu, Surat.

What is an infectious disease specialist and how are they different from a GP?
An infectious disease (ID) specialist is a physician who has completed additional training — typically 2–3 years of fellowship after internal medicine — specifically in the diagnosis and management of infections. In India, the FNB Infectious Diseases qualification (National Board) represents this specialisation. The differences from a general practitioner: Diagnostic breadth: ID specialists are trained to consider the full differential diagnosis of fever, including rare and atypical infections that GPs may not consider. Microbiology integration: ID specialists are trained to interpret culture results, sensitivity patterns, and microbiological data — and to know when results are genuine versus contaminated. Antibiotic stewardship: ID specialists culture before treating, select the narrowest effective antibiotic, and avoid broad-spectrum empirical therapy that drives resistance. Complex infections: TB, HIV, fungal infections, hepatitis B management, travel medicine, and immunocompromised patient infections require ID-level training. A GP manages the common and straightforward. An ID specialist manages the complex, the atypical, and the treatment-resistant.
When is it too late to see a specialist?
It is almost never too late to see an ID specialist — but earlier is dramatically better. The critical principle: the window for correct diagnosis often closes. Once antibiotics have been started empirically, blood cultures become negative. Once empirical treatment has been given and the patient ‘improves slightly,’ the diagnosis remains unknown and the patient is at risk of relapse. Specific time-sensitive situations: Dengue: the NS1 antigen is only positive in the first 5 days of illness — testing on day 7 misses the diagnosis window. Malaria: thick blood smear and RDT should be done on day 1 of fever in a person returning from an endemic area — waiting 72 hours risks cerebral malaria. TB diagnosis: GeneXpert on sputum is most accurate on fresh morning samples — testing after weeks of empirical antibiotics reduces sensitivity. Meningitis: CSF culture after antibiotics is often sterile. The answer: see an ID specialist before empirical antibiotics are started if the diagnosis is uncertain.
Can I self-refer to Dr. Savaj or do I need a referral?
No referral is needed to see Dr. Savaj at IID Hospital. You can book directly by calling +91 92747 93759 or via WhatsApp. Self-referral is appropriate in all the situations listed on this page: unexplained fever, suspected TB or HIV, recurrent infections, fever after travel, infections not responding to treatment, or any situation where you feel the diagnosis has not been established. What to bring: any previous blood tests, culture results, antibiotic prescriptions, and a written timeline of symptoms and treatments. The more information you bring, the faster the assessment. For monsoon fevers in Surat (July–November): come on day 1 of fever — do not wait to see if it resolves.
What does an initial consultation with Dr. Savaj involve?
An initial consultation at IID Hospital typically involves: Detailed history: symptom timeline (exact date of onset matters), all previous treatments and their effect, travel history (every destination in the past 3 months), food and water exposures, animal and mosquito exposures, blood exposures, sexual history, household contacts with similar illness. Examination: temperature, lymph node examination, skin examination (rash pattern), respiratory and abdominal examination. Review of existing results: previous blood tests, cultures, imaging. Investigation planning: Dr. Savaj orders the minimum necessary investigations — not a panel of everything. The specific tests depend on the most likely differential diagnoses from the history. For a monsoon fever in Surat: NS1 + blood smear at minimum. For unexplained weight loss + fever: TB workup + HIV test. Results are reviewed and a treatment plan is made at the same or next visit.
How do I know if my current doctor's diagnosis is wrong?
You cannot know with certainty without additional testing, but several signals suggest the diagnosis may be incomplete or incorrect: Treatment is not working: if you are on the correct antibiotic for the correct infection, improvement should be seen within 48–72 hours for most bacterial infections. If there is no improvement, the diagnosis or antibiotic choice may be wrong. The same infection keeps recurring: recurrence means the underlying cause has not been identified or corrected. No diagnostic test was done: a diagnosis made without any investigation — “viral fever” or “bacterial infection” without a blood count or culture — is clinical guesswork. The diagnosis doesn’t fit all your symptoms: if the diagnosis explains the fever but not the weight loss and night sweats, the diagnosis is incomplete. You are being told to “wait and see” beyond 5–7 days of significant symptoms without a working diagnosis. These are not accusations of negligence — they are signals that specialist-level assessment would add value.
Does Dr. Savaj treat children with infections?
Dr. Pratik Savaj primarily manages adult patients at IID Hospital. For paediatric infectious disease concerns, the appropriate specialist is a paediatric infectious disease physician. However, certain infections that require ID specialist involvement — HIV in adolescents (above 14–16 years), TB contact investigation in household members of all ages, hepatitis B management in older teenagers — may be assessed at IID Hospital in consultation with the family's paediatrician. For children with: dengue (any age), malaria (any age), typhoid (any age), viral gastroenteritis (any age) — a paediatrician with specific expertise in tropical infections is the primary specialist. The IID Hospital team can advise families on the appropriate referral pathway for paediatric cases beyond the scope of the clinic.
What should I bring to my first appointment?
To make the first consultation as productive as possible, bring: Written symptom timeline: date fever started, exact temperature readings if measured, pattern (constant vs spiking vs step-ladder), all symptoms in sequence. All blood test reports: CBC, LFT, RFT, CRP, ESR, dengue NS1, malaria results, blood cultures — even if “normal.” Normal results are diagnostically important. All culture reports: urine culture, blood culture, sputum culture with sensitivity pattern. All antibiotic prescriptions: name, dose, duration, and whether the course was completed. Imaging reports: chest X-ray, ultrasound, CT results with the actual report (not just the scan disc). Travel history: destinations in the last 3 months with dates. Vaccination records if available. List of all current medications. The more detail you bring, the more efficiently the consultation can proceed.
Is there any infection that does not need an ID specialist?
Yes — most infections do not require an ID specialist and are appropriately managed by a GP, paediatrician, or relevant organ specialist. Conditions that are typically straightforward for a general practitioner: Uncomplicated URTI (common cold): viral, self-limiting. Uncomplicated UTI (first episode, not recurrent): urine culture + appropriate antibiotic. Simple skin infections (cellulitis, impetigo) in otherwise healthy patients: standard antibiotics. Viral gastroenteritis: ORS, supportive care. Uncomplicated seasonal influenza in healthy adults: supportive care, antivirals only if high-risk. The principle: ID specialist involvement adds the most value when the diagnosis is uncertain, treatment has failed, the infection is serious or atypical, the patient is immunocompromised, or the infection involves organisms requiring specialist antimicrobial selection (TB, HIV, resistant organisms, fungal infections).