Dr. Sumit Zalavadiya

7 Sep 2026 · 3 min read

Allergic Rhinitis: Causes, Symptoms & Prevention

What Happens Inside the Body?When a person with allergic rhinitis breathes in an allergen, the immune system mistakenly identifies it as a threat.The process can be simplified as:Allergen → IgE…

26 Aug 2026 · 2 min read

Adenocarcinoma શું છે? કારણો, લક્ષણો અને સારવાર

Adenocarcinoma એ એક પ્રકારનું cancer છે જે શરીરની glandular (ગ્રંથિ જેવી) અથવા secretory cellsમાંથી શરૂ થાય છે. આ cells શરીરમાં mucus, digestive juices અને અન્ય fluids બનાવવા અથવા release કરવામાં મદદ…

26 Aug 2026 · 2 min read

Addison’s Disease (એડિસન ડિસીઝ) શું છે?

Addison’s Disease, જેને Primary Adrenal Insufficiency પણ કહેવામાં આવે છે, એક એવી સ્થિતિ છે જેમાં શરીરની Adrenal Glands પૂરતા પ્રમાણમાં જરૂરી હોર્મોન્સ બનાવી શકતી નથી. Adrenal glands બંને kidneysન??…

24 Aug 2026 · 4 min read

Addison’s Disease: What Happens When the Adrenal Glands Cannot Make Enough Hormones?

Addison’s disease, also called primary adrenal insufficiency, is a rare condition in which the adrenal glands do not produce enough important hormones, especially cortisol and often aldosterone. The…

22 Aug 2026 · 1 min read

Gum Abscess (પેઢામાં ફોડો) શું છે?

શું તમારા પેઢામાં દુખાવા સાથે સોજો આવ્યો છે? અથવા પેઢા પર નાનો સફેદ કે પીળો દાણો દેખાય છે, જેમાંથી પરુ નીકળે છે?આ Gum Abscess હોઈ શકે છે.Gum abscess એટલે બેક્ટેરિયલ ઇન્ફેક્શનને કારણે પેઢા અથવા દાંતન??…

22 Aug 2026 · 4 min read

Gum Abscess: Why Does an Abscess Form in the Gums?

Have you ever noticed a painful swelling on your gum, sometimes with a small white or yellow spot that looks like pus? This may be a gum abscess. A gum abscess is a localized collection of pus caused…

22 Aug 2026 · 1 min read

ADHD (Attention-Deficit/Hyperactivity Disorder) શું છે?

ADHD (Attention-Deficit/Hyperactivity Disorder) એક Neurodevelopmental Disorder છે, જે વ્યક્તિના ધ્યાન, આવેગ પર નિયંત્રણ, activity level, planning અને organization જેવી ક્ષમતાઓને અસર કરી શકે છે. ઘણા…

22 Aug 2026 · 4 min read

ADHD (Attention-Deficit/Hyperactivity Disorder): What Happens in the Brain?

ADHD (Attention-Deficit/Hyperactivity Disorder) is a neurodevelopmental disorder that affects attention, impulse control, activity levels, and executive functioning. It is often associated with…

19 Aug 2026 · 4 min read

What Is AIDS? Understanding HIV, Symptoms, and Prevention

AIDS (Acquired Immunodeficiency Syndrome) is the most advanced stage of HIV (Human Immunodeficiency Virus) infection.But there is an important difference:HIV and AIDS are not the same thing.HIV is a…

19 Aug 2026 · 1 min read

AIDS શું છે? HIV શરીરને કેવી રીતે અસર કરે છે?

AIDS (Acquired Immunodeficiency Syndrome) એ HIV infectionનું સૌથી advanced stage છે. HIV એટલે Human Immunodeficiency Virus, જે શરીરની રોગપ્રતિકારક શક્તિને ધીમે ધીમે નબળી બનાવે છે. પરંતુ એક મહત્વન??…

10 Aug 2026 · 1 min read

Abscess (ફોડો) શું છે? કેમ થાય છે અને શરીરમાં શું થાય છે?

શરીરના કોઈ ભાગમાં અચાનક લાલાશ, સોજો, ગરમાવો અને દુખાવો સાથે ગાંઠ જેવી જગ્યા બને અને તેમાં પરુ (Pus) ભરાઈ જાય, તો તેને સામાન્ય રીતે Abscess એટલે કે ફોડો કહેવામાં આવે છે. ઘણા લોકો તેને માત્ર "સામાન્ય…

9 Aug 2026 · 1 min read

પેટમાં મરોડ (Abdominal Cramps) કેમ આવે છે?

પેટમાં મરોડ કેમ આવે છે? ક્યારેક અચાનક પેટમાં મરોડ, ખેંચાણ કે પેટ વળી રહ્યું હોય એવો દુખાવો અનુભવાય છે. થોડા સમય માટે દુખાવો થાય, પછી ઓછો થઈ જાય અને ફરી શરૂ થાય—આ પ્રકારના દુખાવાને સામાન્ય રીતે…

9 Aug 2026 · 3 min read

Why Do Abdominal Cramps Happen?

Have you ever experienced sudden twisting, squeezing, or tightening pain in your stomach that comes and goes? This is commonly described as an abdominal cramp. Abdominal cramps are different from…

7 Aug 2026 · 1 min read

ધાધર (Ringworm) શું છે? કેમ થાય છે? અને કેવી રીતે બચી શકાય?

ઘણા લોકોને લાગે છે કે ધાધર (Ringworm) કોઈ કીડો (Worm) હોવાના કારણે થાય છે. પણ આ સૌથી મોટો ભ્રમ છે. Ringworm નો કીડા સાથે કોઈ સંબંધ નથી. આ એક ફંગલ ઇન્ફેક્શન (Fungal Infection) છે, જે ત્વચા, માથાના…

31 Jul 2026 · 4 min read

Why Do We Feel Dizzy? The Science Behind Dizziness

Why Do We Feel Dizzy? Have you ever stood up suddenly and felt the room spin? Or felt unsteady while walking during a fever or illness? Dizziness is one of the most common symptoms people experience…

31 Jul 2026 · 3 min read

Why Do We Cough? The Science Behind Your Body's Protective Reflex

Have you ever wondered why you suddenly start coughing when you have a cold or when water "goes down the wrong pipe"? A cough may feel annoying, but it's actually one of your body's most important…

31 Jul 2026 · 2 min read

Why Does Light Bother You During a Migraine? The Science Behind Light Sensitivity

Most people with migraine don't just have a headache—they also become extremely sensitive to light. Even normal room lighting or sunlight can make the pain much worse. This symptom, called…

30 Jul 2026 · 4 min read

Why Do We Catch a Cold? The Science Behind the Common Cold

Almost everyone experiences a cold several times in their lifetime. It usually starts with a sore throat, followed by sneezing, a runny nose, nasal congestion, and sometimes a mild fever.But have you…

29 Jul 2026 · 3 min read

Why Do We Feel Itching? The Science Behind the Urge to Scratch

Why Do We Feel Itching?Have you ever wondered why a mosquito bite makes you scratch constantly? Or why eczema and allergies cause intense itching?Itching, also called pruritus, is not just a skin…

29 Jul 2026 · 4 min read

Why Do We Feel Pain? The Science Behind Your Body's Warning System

Have you ever wondered why a small cut hurts immediately or why your back aches after lifting something heavy? Pain is one of the body's most important survival mechanisms. Although it can be…

29 Jul 2026 · 3 min read

Can Fever Be Beneficial? The Science Behind Your Body's Natural Defense

Most people panic when they see a fever on the thermometer and immediately try to bring it down. But did you know that fever is often a natural and beneficial response of your immune system?Fever is…

29 Jul 2026 · 4 min read

What Happens Inside Your Body When You Get a Fever?

Fever is one of the body's most powerful defense mechanisms. Many people think fever is the illness itself, but that's not true. A fever is actually a sign that your immune system is actively…

27 Jul 2026 · 3 min read

Heart Attack vs Gas: How to Tell the Difference

Many people mistake the symptoms of a heart attack for gas or acidity. This confusion can delay life-saving treatment. While gas can cause chest discomfort, a heart attack is a medical emergency that…

25 Jul 2026 · 3 min read

A Personal Clinical Experience: Managing an Acute Gastrointestinal Illness at Home

As doctors, we often spend our time treating patients. But sometimes, the patient is someone very close to us.A few days ago, my mother started experiencing mild abdominal pain. Since the pain was…