COVID-19

Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Summary: EMERGENCY WARNING: If your dog displays blue, purple, or pale gums, rapid or severely labored breathing, extreme collapse, high fever exceeding 104°F (40°C), coughing up bright red blood, or complete inability to keep fluids down, seek immediate emergency veterinary medical care. These red-flag … Read more

Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Answer: EMERGENCY WARNING: If you or someone in your care experiences severe difficulty breathing, persistent pain or pressure in the chest, sudden confusion, inability to wake or stay awake, or a pale, gray, or blue discoloration on the lips, skin, or nail beds, seek … Read more

If you’ve recently tested positive for COVID-19, you may be wondering: can your furry best friend catch it too? The short answer is yes—but the good news is that the risk is low, and serious illness in dogs is extremely rare. Here’s what every pet owner needs to know about COVID-19 transmission between humans and dogs, … Read more

Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Answer: EMERGENCY WARNING: If you or someone in your care experiences sudden chest pain or tightness, severe shortness of breath, pain spreading to the arm, shoulder, neck, jaw, or back, unexplained sweating, dizziness, sudden confusion, or blue/gray discoloration of the lips or face, call … Read more

Quick Summary EMERGENCY WARNING: If you or someone you are caring for experiences persistent chest pain or squeezing pressure, severe or sudden shortness of breath, sudden weakness or numbness on one side of the face or body, fainting or sudden loss of consciousness, or a pale, gray, or blue discoloration of the lips, face, or … Read more

Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Summary: EMERGENCY WARNING: If you experience severe chest pain, shortness of breath, a rapid or fluttering heartbeat, severe swelling of the lips, tongue, or throat, or sudden dizziness within hours to days of vaccination, seek immediate emergency medical care (call 911 in the U.S.). … Read more

Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick summary: EMERGENCY WARNING: If you or someone in your care experiences sudden, severe neurological changes—such as one-sided facial drooping, sudden weakness or numbness in an arm or leg, slurred speech or difficulty understanding language, sudden severe confusion, loss of balance, or sudden loss of … Read more

Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Key Takeways EMERGENCY WARNING: If you or someone you are caring for experiences severe trouble breathing, persistent chest pain or pressure, new-onset confusion, inability to wake or stay awake, or a pale, gray, or blue discoloration on the lips, skin, or nail beds, seek immediate … Read more

Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Takeways EMERGENCY WARNING: Call 911 or go to the nearest emergency room right away if you experience chest pain, shortness of breath, a racing or pounding heart, severe dizziness, or swelling of your face, lips, tongue, or throat after vaccination. Understanding the Updated 2025–2026 … Read more

Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. The landscape of COVID-19 continues to evolve as we move through 2026. While the virus has become a part of our daily lives, new strains like BA.3.2 (nicknamed “Cicada”) and the XFG family are currently the dominant variants in the United States. For families and … Read more

Is SARS-CoV-2 a Hidden Driver of Cancer Risk What the Latest Research Suggests

Early Kidney Injury Detection in Long COVID Biomarkers

Medically Reviewed and Compiled by Dr. [Adam N. Khan], MD. New COVID strain symptoms can look similar to earlier versions of COVID-19, but some patterns have shifted over time. Most recent strains continue to spread through respiratory droplets and close contact. Symptoms range from mild cold-like signs to severe breathing problems. What Is a New … Read more

Yes, Diarrhea is a recognized symptom of COVID-19. It can occur alone or with other symptoms such as fever, cough, fatigue, and loss of taste or smell. COVID-19 affects not only the lungs but also the digestive system. In some patients, diarrhea appears early and may even be the first sign of infection. Medical research … Read more

Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Summary The COVID incubation period is the time between exposure to the SARS-CoV-2 virus and the start of symptoms. Most people develop symptoms within 2 to 5 days, but it can range from 2 to 14 days. Some individuals remain asymptomatic yet can still … Read more