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Dr. Sunil Dua - Family Medicine in Delhi

Dr. Sunil Dua

MBBS

Family MedicineFamily Medicine
  • Delhi, Delhi

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Clinic Locations

Dua Medical Care Centre

B1/3D, Janta Flats, Delhi, Delhi, India,

Specialization

  • General Physician

Education

  • L.P.S Institute of Cardiology, G.S.V.M Medical College, Kanpur - 1992 Graduated
    MBBS

Health Articles

Fever and normal body temperature

The conventional understanding that the average human body temperature is 98.6°F is outdated, with newer research suggesting a broader normal range of 97°F to 99°F. Body temperature fluctuates throughout the day, typically lower in the morning and peaking in the late afternoon or evening. While regular temperature checks aren't necessary for healthy individuals, they are recommended when feeling unwell or suspecting exposure to illnesses like COVID-19, as fever is a common symptom. The historical basis of 98.6°F stems from Dr. Carl Wunderlich's 19th-century study, but recent investigations indicate a gradual decrease in average body temperatures to around 97.5°F. Factors contributing to this decline include lower metabolic rates due to increased body weight, reduced rates of infection compared to the 19th century, and advancements in thermometer accuracy.

Coronavirus: What Happens When You Get Infected?

Coronavirus: What Happens When You Get Infected? The coronavirus infects the body by attaching its spiky surface proteins to healthy cells, particularly those in the lungs, via ACE2 receptors. Once inside, it replicates and commandeers the cells, ultimately causing cell death. While the Omicron variant seems to affect lung tissue less than previous variants, it can still lead to severe complications. COVID-19 begins with exposure to droplets from an infected person, which can enter through the eyes, nose, or mouth. Symptoms typically appear within 2 to 14 days and may include fever, cough, shortness of breath, fatigue, body aches, headache, sore throat, loss of taste or smell, and gastrointestinal issues like nausea or diarrhea.

Is It a Common Cold or Allergies?

Colds and allergies have distinct causes and durations. Colds result from viral infections and last up to 14 days, with symptoms like coughing and congestion. Allergies stem from an overactive immune response to harmless substances like pollen or dust, causing symptoms such as sneezing and itchy eyes. Allergies can persist for days to months, depending on exposure to triggers, and are not contagious. Monitoring symptoms and duration can help differentiate between the two, with persistent symptoms beyond two weeks warranting a doctor's visit to rule out allergies or other issues.

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