Evidence-Based Medical Knowledge You Can Trust
Infectious diseases are illnesses caused by bacteria, viruses, fungi, or parasites, spreading through contact, food, water, or vectors.
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Summary: EMERGENCY WARNING: If a care home resident experiences severe trouble breathing, persistent chest pain or pressure, new confusion, or bluish lips or skin, seek emergency medical services (call 911 in the USA or 999 in the UK) immediately. Do not wait for routine … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Summary: EMERGENCY WARNING: Seek immediate emergency medical care if you or a loved one experience shortness of breath, severe chest pressure, bluish lips or face, confusion, dizziness, continuous vomiting, or high fever that improves but then returns with a worsening cough. What Is Influenza … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Introduction to Current COVID-19 Symptoms Understanding american covid symptoms is vital for protecting your family, managing home isolation, and making informed choices about when to seek medical treatment. Over time, the SARS-CoV-2 virus has evolved through multiple variants. While the underlying virus continues to mutate, … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Executive Summary: EMERGENCY WARNING: Seek immediate emergency medical attention (call 911 or visit the nearest emergency room) if you or someone you are caring for experiences persistent trouble breathing, constant pain or pressure in the chest, new confusion, inability to wake up or stay awake, … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. ⚠️ EMERGENCY WARNING: Seek immediate emergency medical care (call 911 or go to the nearest emergency room) if you or someone in your care experiences severe chest pain, shortness of breath, persistent dizziness, confusion, bluish lips or face, or a high fever that drops and … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Summary: EMERGENCY WARNING: If you experience signs of a severe allergic reaction (anaphylaxis)—such as difficulty breathing, swelling of the face, throat, or lips, hives, dizziness, or rapid heartbeat—call 911 or go to the nearest emergency room immediately. Do not wait to see if symptoms … 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 heart rate, swelling of the face or throat, severe hives, or feeling faint within minutes to days after receiving any vaccine, call 911 or visit the nearest emergency … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Overview of the Pfizer COVID-19 Vaccine The Pfizer-BioNTech COVID-19 vaccine (marketed under the brand name Comirnaty for older age groups) uses messenger RNA (mRNA) technology to teach your immune system how to recognize and fight the virus that causes COVID-19. When you receive the shot, … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Summary: EMERGENCY WARNING: Seek immediate emergency medical care (call 911 or go to the nearest emergency room) if you or someone in your care experiences signs of a severe allergic reaction (anaphylaxis)—such as swelling of the face, lips, tongue, or throat, hives, or severe … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Key Takeaways: EMERGENCY WARNING: If you experience severe breathing difficulties, swelling of your face, tongue, or throat, chest pain, high fever, or dizziness after getting any vaccine, call 911 or go to the nearest emergency room immediately. These could be signs of a life-threatening allergic … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Key Takeaways: EMERGENCY WARNING: If you or someone in your care experiences severe difficulty breathing, facial or throat swelling, generalized hives, dizziness, or a rapid heart rate shortly after receiving a vaccine, call 911 or visit the nearest emergency department immediately. These symptoms may indicate … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Key Takeways: EMERGENCY WARNING: If you experience difficulty breathing, swelling of your face, lips, throat, or tongue, severe chest pain, persistent dizziness, or rapid heart rate shortly after receiving a vaccination, call 911 or seek immediate emergency medical attention immediately. Understanding COVID-19 Vaccine Formulations When … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Key Takeways: ⚠️ EMERGENCY WARNING: If you or a loved one experience severe shortness of breath, continuous chest pain or pressure, sudden confusion, bluish lips or face, or signs of a severe allergic reaction (such as difficulty breathing, wheezing, or throat swelling) after vaccination or … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Key Takeaways: EMERGENCY WARNING: If your child has bluish lips or face, severe trouble breathing, chest pain, extreme lethargy, cannot stay awake, or shows signs of severe dehydration (no wet diapers for 8 hours, no tears when crying), call 911 or go to the nearest … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Key Takeaways: Understanding Pediatric Influenza Influenza, commonly known as the flu, is a highly contagious viral infection of the respiratory system. While adults frequently contract influenza, young children are among the most vulnerable populations due to their developing immune systems and frequent close contact with … Read more