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Category: Related Illnesses

Is Strep Throat Contagious?

Strep throat (tonsillitis) is highly contagious. Learn how long the bacterial infection is contagious for, as well as causes and treatment. Strep...

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Is It a Sinus Infection or a Cold?

Sinus infections and colds share similar symptoms, so they can be hard to diagnose. Learn more about the causes, signs, and symptoms of each...

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What Is a Head Cold?

A head cold is a mild viral infection that can leave you feeling ill for several days. Learn more about the causes, symptoms, and ways to treat it....

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An Overview of Astrovirus

Astrovirus causes gastroenteritis in children, the elderly, and others with impaired immune systems. Learn more about symptoms, causes, and...

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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...

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7 Remarkably Common Viral Infections Explained

Many illnesses are caused by viruses spread through casual contact. We take a closer look at common viral infections and how to keep from catching...

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What Is a Flu-Like Illness?

If you have flu-like symptoms, you may or may not actually have influenza. A variety of viral and some bacterial infections can mimic the signs. A...

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What Is Parainfluenza?

Parainfluenza is a virus that can cause upper and lower respiratory infections, including bronchitis, croup, and pneumonia. Learn how it differs from...

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The Difference Between Seasonal Flu and Stomach Flu

Do you really know the difference between the flu and the stomach flu? Learn about these two very different viruses and how they may affect you....

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What's the Difference Between Allergies and Colds?

Trying to figure out if you have a cold or allergies? Find out the difference between the two and see what you can do to feel better. It can be easy...

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What Is Adenovirus?

Adenovirus commonly causes respiratory illness and conjunctivitis (pink eye), and rarely more severe illness. Reviewed by a board-certified...

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Symptoms of Scarlet Fever

Scarlet fever causes fever, sore throat, and general aches and pains, as well as a signature rash. Learn more about the rash associated with this...

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How H1N1 Swine Flu Is Diagnosed

How do you know if you have H1N1 swine flu? Learn about how swine flu is diagnosed, usually via physical examination and a rapid flu test. Diagnosing...

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Do Fevers Cause Brain Damage?

Many people are concerned that a fever will cause brain damage, especially if left untreated. Learn if there is any truth to this claim. A fever,...

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Common Cold and Flu Complications

The cold/flu makes you feel miserable, but these common cold complications will make you feel worse. Learn about bronchitis, ear infections, and...

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An Overview of Pertussis in Adults

Pertussis is generally much more mild in adults than children, which can lead some adults to spread the disease without knowing it. Pertussis, known...

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Causes and Risk Factors of Cough

Find out the most common causes of a cough​, how a cough is evaluated, and how the duration of an acute, sub-acute, or chronic cough informs the...

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An Overview of Rheumatic Fever

Rheumatic fever is a serious illness that occurs after a strep infection. Learn about symptoms and treatment options. Rheumatic fever is an...

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An Overview of Pneumococcal Disease

Pneumococcal disease is usually a mild infection, but sometimes it can be life-threatening. Learn about the types, symptoms, treatments, and more....

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What Is RSV?

Respiratory syncytial virus (RSV) is a common illness in babies/young children. Learn its symptoms, why it can be serious, and how to prevent it....

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What Is Scarlet Fever?

Scarlet fever was a common disease of childhood. Like strep throat, it is caused by group A streptococcus. Reviewed by a board-certified...

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How Scarlet Fever Is Diagnosed

Children and adults can get scarlet fever but it can't be diagnosed at home. Find out what to expect from testing if you think scarlet fever is a...

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Causes and Risk Factors of Scarlet Fever

Learn about the causes of scarlet fever, including common lifestyle risk factors that put certain groups at higher risk of contracting it. The term...

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How Scarlet Fever Is Treated

Scarlet fever, a bacterial infection related to strep throat, once was a deadly disease of childhood. It's now uncommon and easy to treat. Learn...

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What Is Swine Flu (H1N1)?

Swine flu (H1N1 flu) is now considered normal seasonal influenza and included in vaccines. Reviewed by a board-certified infectious disease...

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Recurrent Respiratory Infections in Children

Recurrent respiratory infections are very common in children. When might these be a sign of an underlying problem and what are some causes? Recurrent...

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Recurrent Respiratory Infections in Adults

Recurrent respiratory infections in adults may indicate an underlying problem such as immunodeficiency disorders or lung cancer. Learn about causes....

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Symptoms of Swine Flu (H1N1 Flu)

Common swine flu symptoms include fever, runny nose, cough, chills, fatigue, and body aches. It can also cause complications in certain people....

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