A person in bed with a thermometer in their mouth

Cold and Flu - Related Illnesses

Could it be strep throat or bronchitis? Learn about the full range of illnesses often mistaken for the cold or flu and when it's time to see your doctor.
Fever
Strep Throat With a Rash? Could Be Scarlet Fever
Medically reviewed by Lyndsey Garbi, MD
scarlet fever rash
What Are the Symptoms of Scarlet Fever?
Medically reviewed by Lyndsey Garbi, MD
child fever
Causes and Risk Factors of Scarlet Fever
Medically reviewed by Lyndsey Garbi, MD
Doctor examining young girl
How Scarlet Fever Is Diagnosed
Medically reviewed by Andy Miller, MD
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Treating Scarlet Fever: Relief for Sore Throat, Skin Rash, and More
Medically reviewed by Lyndsey Garbi, MD
Young girl clutching her stomach
What Is Astrovirus?
Medically reviewed by Michael Menna, DO
Pneumococcal disease
What Exactly Is Pneumococcal Disease?
Medically reviewed by Jason DelCollo, DO
Swine Flu Mask
Who Is at Risk for H1N1 Swine Flu?
Medically reviewed by Andy Miller, MD
kid at doctor with mom
How H1N1 Swine Flu Is Diagnosed
Medically reviewed by Andy Miller, MD
Woman getting a vaccine.
How H1N1 Swine Flu Is Treated
Medically reviewed by Andy Miller, MD
stomach flu
The Difference Between Seasonal Flu and Stomach Flu
Medically reviewed by Elizabeth Molina Ortiz, MD, MPH
woman sick in bed
What Are the Signs and Symptoms of Swine Flu?
Medically reviewed by Andy Miller, MD
Boy being examined by a doctor for a sore throat.
Rheumatic Fever: What It Is, Why You Should Care
Medically reviewed by Michael Menna, DO
young woman coughing and holding tissue
The Most Likely Reasons You Have a Cough
Medically reviewed by Chris Vincent, MD
echocardiogram and ECG
Rheumatic Heart Disease Causes and Risk Factors
Medically reviewed by Yasmine S. Ali, MD, MSCI
Child sick in bed
When the Flu May Actually Be a Case of Parainfluenza
Medically reviewed by Chris Vincent, MD
Boy with fever
What Does a Flu-like Illness Diagnosis Mean?
Medically reviewed by Keri Peterson, MD
H1N1 Swine Flu Virus.©CDC, 2009.
Understanding Swine Flu (H1N1 Flu)
Medically reviewed by Andy Miller, MD
Woman coughing.
7 Remarkably Common Viral Infections Explained
Medically reviewed by Michael Menna, DO
Woman sneezing
How to Determine If It's a Cold or if It's Allergies
Medically reviewed by Elizabeth Molina Ortiz, MD, MPH
Young woman feeling symptoms of an illness
Can Fevers Cause Brain Damage?
Medically reviewed by Jason DelCollo, DO
Cropped image of mother examining baby boy's temperature in bed
What Is Respiratory Syncytial Virus (RSV)?
Medically reviewed by Rony Kampalath, MD
Woman afro american doctor general practitioner examining ear of a ill child. Ear infections.
Common Cold and Flu Complications
Medically reviewed by Michael Menna, DO