Expert Answers to Your
Infection & Fever Questions
Evidence-based articles from Dr. Pratik Savaj — FNB Infectious Diseases, SCID-AI Surat — covering HIV, TB, dengue, malaria, hepatitis B, and everything in between.
Showing 12 articles
Fever Lasting 7+ Days — What It Means and What to Do Today
Day 7 is the threshold where “viral fever” ends and systematic investigation begins. The top 8 causes in Surat, warning signs for emergency, and what to bring to SCID-AI.
Early Signs of HIV — What to Look For and When to Test
Acute HIV infection mimics viral fever. Most people miss it. The 4th-generation Ag/Ab test at 2–4 weeks after exposure changes everything.
TB Symptoms — When a Cough Is More Than a Cough
The 7 symptoms that distinguish TB from a chest infection — and why GeneXpert on 3 sputum samples, not CXR and antibiotics, is the correct first test.
Dengue vs Viral Fever — How to Tell the Difference
NS1 on day 1, paracetamol only, and the deceptive critical phase on days 4–6 that looks like improvement but isn’t. What every Surat patient needs to know.
Causes of Persistent Fever — What Your Doctor Should Be Looking For
Fever beyond 7 days without a confirmed diagnosis is not “viral fever.” The four categories of causes, the clinical clues, and the systematic workup that finds the answer.
How to Prevent Mosquito-Borne Diseases — Dengue, Malaria & Chikungunya
Aedes bites during the day, Anopheles at night — and the prevention strategy is completely different. The 5 pillars, the right repellent, and Surat’s seasonal risk calendar.
Night Sweats — TB or HIV? A Clinical Guide
Drenching night sweats — soaking clothes and sheets — are a clinical signal. TB and HIV are excluded first, always. The differential, the workup, and when to come.
Hepatitis B — The Silent Threat Most Indians Don’t Know They Have
40 million Indians with chronic HBV — most undiagnosed. What the 5 phases mean, how to read your serology results, and why treatment changes everything.
CD4 Count in HIV — What Your Number Actually Means
The immune system’s report card. What each CD4 zone means, which infections occur at which threshold, and how viral load and CD4 work together.
India’s TB Burden — Why India Has 28% of the World’s Cases
2.8 million new TB cases every year. Malnutrition drives 54% of India’s excess burden. What NTEP provides free, and what every individual can do.
Malaria Prevention for Travelers — The Right Prophylaxis for Your Destination
Doxycycline, Malarone, mefloquine, or chloroquine? The choice depends on your destination and resistance pattern. What to take, when to start, and what to do if fever develops.
Living With HIV — Relationships, Work, Family, and Life on ART
U=U: Undetectable = Untransmittable. Life expectancy on ART approaches normal. A practical guide to relationships, disclosure, having children, legal rights, and daily life.
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