Infectious Diseases

Infectious diseases can occur when pathogenic microorganisms like bacteria, viruses, fungi, or parasites enter your body. Depending on the infection, you might experience symptoms such as fever, fatigue, aching muscles, diarrhea, and coughing.[1] Treatments include different medications that target pathogens, as well as various other ways of managing specific symptoms. Vaccinations, sanitation, safe food prep, good hygiene, and safe sex practices are some of the many ways to reduce the spread of infectious diseases.[2]

What Is Scabies?

Medically Reviewed by Mohiba Tareen, MD | June 7, 2025

How to Know if That Rash Is Scabies

Medically Reviewed by Jacquelyn Dosal, MD | November 10, 2023

Is It Safe to Get Multiple Vaccines at the Same Time?

Medically Reviewed by Jane Yoon Scott, MD | September 12, 2024

What Is Smallpox? Symptoms, Causes, Diagnosis, Treatment, and Prevention

Medically Reviewed by Jane Yoon Scott, MD | April 30, 2023

Polio Vaccine: What You Need to Know

Medically Reviewed by Allison Buttarazzi, MD | January 22, 2025

Hib Vaccine: What You Need to Know

Medically Reviewed by Allison Buttarazzi, MD | January 21, 2025

Scarlet Fever: Signs, Symptoms, and Treatment

Medically Reviewed by Jane Yoon Scott, MD | October 25, 2022

Candida Auris Fungus Infection: Symptoms, Spread, Treatment

Medically Reviewed by Jane Yoon Scott, MD | February 26, 2024

11 Foods and Drinks to Help Soothe COVID-19 Symptoms

Medically Reviewed by Justin Laube, MD | October 9, 2023

How to Cope With a COVID-19 Cough

Medically Reviewed by Jane Yoon Scott, MD | November 29, 2023

How to Beat COVID-19 Fatigue and Get Your Energy Back

Medically Reviewed by Jane Yoon Scott, MD | December 12, 2023

Can COVID-19 Cause Hearing Loss and Tinnitus?

Medically Reviewed by Allison Buttarazzi, MD | October 17, 2024

Your Day-by-Day Guide to the Common Cold

Medically Reviewed by Allison Buttarazzi, MD | August 27, 2023

How Long Are You Contagious After Catching a Virus?

Medically Reviewed by Allison Buttarazzi, MD | December 12, 2024

7 Natural Remedies for Congestion Relief

Medically Reviewed by Allison Buttarazzi, MD | October 24, 2023

7 Home Remedies to Stop a Bad Cough

Medically Reviewed by Natalia Johnsen, MD | September 11, 2023

Herbal Remedies and Your Liver: 7 Safety Tips to Follow

Medically Reviewed by Waseem Ahmed, MD | January 2, 2024

7 Ways Hepatitis C Affects Your Skin

Medically Reviewed by Ira Daniel Breite, MD | October 24, 2023

7 Things to Know About Life After Hepatitis C Treatment

Medically Reviewed by Justin Laube, MD | April 21, 2022

The Best (and Worst) Foods and Drinks for Hepatitis C

Medically Reviewed by Justin Laube, MD | April 21, 2022

How Doctors Treat Listeria Infection

Medically Reviewed by Jane Yoon Scott, MD | September 19, 2022

What Is Listeria Infection? Symptoms, Causes, Diagnosis, Treatment, and Prevention

Medically Reviewed by Jane Yoon Scott, MD | April 30, 2023

Listeria Infection: Signs and Symptoms

Medically Reviewed by Jane Yoon Scott, MD | August 29, 2022

Listeria Infection in Pregnancy

Medically Reviewed by Jane Yoon Scott, MD | September 20, 2022

What Is RSV (Respiratory Syncytial Virus)? Symptoms, Causes, Diagnosis, Treatment, and Prevention

Medically Reviewed by Allison Buttarazzi, MD | July 18, 2024

Can Adults Get RSV? Symptoms, Diagnosis, Vaccines

Medically Reviewed by Natalia Johnsen, MD | July 3, 2024

What Are the Best Home Remedies for RSV?

Medically Reviewed by Jane Yoon Scott, MD | May 4, 2023

Is It a Cold or RSV? How to Tell the Difference

Medically Reviewed by Jane Yoon Scott, MD | May 10, 2023

The Different Types of Streptococci (Strep Bacteria)

Medically Reviewed by Jane Yoon Scott, MD | October 15, 2022

Strep Throat Symptoms and Diagnosis

Medically Reviewed by David L. Causey, MD | August 27, 2022

Do You Really Need Antibiotics for Strep Throat?

Medically Reviewed by Justin Laube, MD | January 10, 2024

How to Treat Strep Throat

Medically Reviewed by David L. Causey, MD | August 18, 2022

What Is Mononucleosis? Symptoms, Causes, Diagnosis, Treatment, and Prevention

Medically Reviewed by Jane Yoon Scott, MD | December 7, 2022

Symptoms of Mononucleosis

Medically Reviewed by Jane Yoon Scott, MD | October 12, 2022

Complications of Mononucleosis

Medically Reviewed by Laura J. Martin, MD, MPH | September 26, 2022

Recovering From Mono: What Doctors Want You to Know

Medically Reviewed by Jane Yoon Scott, MD | July 17, 2025

What Is Lyme Disease? Symptoms, Causes, Diagnosis, Treatment, and Prevention

Medically Reviewed by Jane Yoon Scott, MD | January 5, 2023

Lyme Disease Symptoms and Complications

Medically Reviewed by Jane Yoon Scott, MD | July 21, 2022

Lyme Disease Treatment

Medically Reviewed by Jane Yoon Scott, MD | August 9, 2022

11 Celebrities With Lyme Disease

Medically Reviewed by Jane Yoon Scott, MD | August 7, 2023

What Is Staph Infection? Symptoms, Causes, Diagnosis, Treatment, and Prevention

Medically Reviewed by Jane Yoon Scott, MD | October 20, 2022

Symptoms of Staph Infection

Medically Reviewed by Jane Yoon Scott, MD | August 21, 2022

Treatments for Staph Infection: Antibiotics, Surgery, and More

Medically Reviewed by Jane Yoon Scott, MD | August 29, 2024

Everything You Need to Know About the Superbug MRSA

Medically Reviewed by Jane Yoon Scott, MD | October 16, 2022

What Is Sepsis? Symptoms, Causes, Diagnosis, Treatment, and Prevention

Medically Reviewed by Jane Yoon Scott, MD | January 12, 2023

Sepsis: Symptoms, Diagnosis, Prognosis

Medically Reviewed by Jane Yoon Scott, MD | September 10, 2022

Sepsis Treatment: Antibiotics, Medication, and Surgery

Medically Reviewed by Jane Yoon Scott, MD | September 11, 2022

5 Steps to Help Prevent Sepsis if You Have an Infection

Medically Reviewed by Jane Yoon Scott, MD | September 11, 2022

What Is Hepatitis A? Symptoms, Causes, Diagnosis, Treatment, and Prevention

Medically Reviewed by Justin Laube, MD | March 14, 2023

Hepatitis A Symptoms

Medically Reviewed by Jonathan G. Stine, MD, MSc, FACP | October 3, 2024

Hepatitis A Treatment: A Complete Guide

Medically Reviewed by Marina Serper, MD, MS | October 3, 2024

Hepatitis A Vaccine: What You Need to Know

Medically Reviewed by Sanjai Sinha, MD | December 11, 2024

What Is Chickenpox? Symptoms, Causes, Diagnosis, Treatment, and Prevention

Medically Reviewed by Jane Yoon Scott, MD | March 7, 2024

Chickenpox Symptoms and Diagnosis

Medically Reviewed by Jane Yoon Scott, MD | October 7, 2022

Chickenpox Treatment and Home Remedies

Medically Reviewed by Jane Yoon Scott, MD | October 6, 2022

Chickenpox in Adults: Risk Factors, Symptoms, Complications, Treatment

Medically Reviewed by Laura J. Martin, MD, MPH | October 18, 2022

ALL INFECTIOUS DISEASES ARTICLES

Recovering From Mono: What Doctors Want You to Know

Medically Reviewed by Jane Yoon Scott, MD | July 17, 2025

Human Plague Death Reported in Arizona — Here’s What You Need to Know

Fact-Checked on July 15, 2025

Measles Surpasses 1,000 U.S. Cases — What’s Next?

Fact-Checked on July 8, 2025

1.7 Million Cartons of Organic and Cage-Free Brown Eggs Recalled for Salmonella

Fact-Checked on June 9, 2025

What Is Scabies? Symptoms, Causes, Diagnosis, Treatment, and Prevention

Medically Reviewed by Mohiba Tareen, MD | June 7, 2025

Recalled Tomatoes Sold in the Southern U.S. May Pose Deadly Salmonella Risk

Fact-Checked on June 5, 2025

Risk of Measles During Travel Prompts CDC Warning

Fact-Checked on June 4, 2025

Is It Tonsillitis or Strep Throat? Key Differences You Should Know About

Medically Reviewed by Jessica Lee, MD | May 22, 2025

What Is West Nile Virus?

Medically Reviewed by Jane Yoon Scott, MD | April 29, 2025

Whooping Cough Is Making a Comeback

Fact-Checked on April 22, 2025

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