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
scarlet fever rash
What Are the Symptoms of Scarlet Fever?
child fever
Causes and Risk Factors of Scarlet Fever
Doctor examining young girl
How Scarlet Fever Is Diagnosed
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Treating Scarlet Fever: Relief for Sore Throat, Skin Rash, and More
Young girl clutching her stomach
What Is Astrovirus?
Pneumococcal disease
What Exactly Is Pneumococcal Disease?
Swine Flu Mask
Who Is at Risk for H1N1 Swine Flu?
kid at doctor with mom
How H1N1 Swine Flu Is Diagnosed
Woman getting a vaccine.
How H1N1 Swine Flu Is Treated
stomach flu
The Difference Between Seasonal Flu and Stomach Flu
woman sick in bed
What Are the Signs and Symptoms of Swine Flu?
Boy being examined by a doctor for a sore throat.
Rheumatic Fever: What It Is, Why You Should Care
young woman coughing and holding tissue
The Most Likely Reasons You Have a Cough
echocardiogram and ECG
Rheumatic Heart Disease Causes and Risk Factors
Child sick in bed
When the Flu May Actually Be a Case of Parainfluenza
Boy with fever
What Does a Flu-like Illness Diagnosis Mean?
H1N1 Swine Flu Virus.©CDC, 2009.
Understanding Swine Flu (H1N1 Flu)
Woman coughing.
7 Remarkably Common Viral Infections Explained
Woman sneezing
How to Determine If It's a Cold or if It's Allergies
Young woman feeling symptoms of an illness
Can Fevers Cause Brain Damage?
Cropped image of mother examining baby boy's temperature in bed
What Is Respiratory Syncytial Virus (RSV)?
Woman afro american doctor general practitioner examining ear of a ill child. Ear infections.
Common Cold and Flu Complications