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MedlinePlus®

A service of the National Library of Medicine.

MerckSource: Health Center for Children Newborn - 3 Yrs.

Health Center for Children Newborn - 3 Yrs.

Top health conditions, risk factors, and healthy living information by age and gender for those living in the United States based on government data.

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Other Health Centers

Women:
19-45,
46-65,
65+
Men:
19-45,
46-65,
65+
Children:
4-12,
13-18
Others:
Caregivers

Accidents

Accidents are the most common cause of death in children 14 years old and younger. In fact, accidents cause more childhood deaths than diseases, drugs, or violence.

Allergies

An allergy is an exaggerated immune response or reaction to substances that are generally not harmful.

Congenital defects

Congenital heart diseases are abnormalities of the heart's structure and function caused by abnormal or disordered heart development before birth.

Croup

Croup is breathing difficulty accompanied by a "barking" cough. Croup, which is swelling around the vocal cords, is common in infants and children and can have a variety of causes.

Conjunctivitis

Conjunctivitis is inflammation or infection of the membrane lining the eyelids (conjunctiva).

Gastroenteritis

Viral gastroenteritis is an inflammation of the stomach and intestines caused by a viral infection.

Influenza

The flu is a contagious infection of the nose, throat, and lungs caused by the influenza virus.

Otitis Media

Otitis media is an inflammation or infection of the middle ear. Chronic means recurring or persistent.

Respiratory Syncytial Virus (RSV)

Respiratory syncytial virus (RSV) is a very common virus that causes mild cold-like symptoms in adults and older healthy children. It can cause serious respiratory infections in young babies, especially those born prematurely, who have heart or lung disease, or who are immunocompromised.

SIDS

Sudden infant death syndrome (SIDS) is the unexpected, sudden death of any infant or child under one year old, in which an autopsy does not show an explainable cause of death.

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