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Diagnostic Tests for Allergy in Children Diagnostic tests will help you and your child's health care provider or allergist know what substances cause your child's allergy symptoms. Knowing what substances cause the symptoms tells you what your child should stay away from. It also

Pollen and Children What is pollen? Each grain of pollen is tiny (microscopic). When there is a lot of pollen together, it becomes a fine yellow powder. It's made of the male reproductive cells of flowering plants, trees, grasses, and weeds. It's the most common cause of hay

Type 2 Diabetes in Children What is type 2 diabetes in children? Diabetes is a condition in which the body can't make enough insulin. Or can't use insulin normally. Type 2 diabetes is a metabolic disorder. Insulin is a hormone. It helps sugar (glucose) in the blood get into cells

Fever in Children What is a fever? Most healthcare providers define a fever as a temperature of 100.4°F (38°C) or higher when taken rectally or 100°F (37.8°C) or higher when taken by mouth. You might get slightly different numbers depending on how you take your child's

Respiratory Syncytial Virus (RSV) in Children What is respiratory syncytial virus (RSV) in children? RSV is a viral illness that causes symptoms such as trouble breathing. It’s the most common cause of inflammation of the small airways in the lungs (bronchiolitis) and pneumonia

Allergies in Children What are allergies in children? Allergies are problems of the immune system. Most allergic reactions happen when the immune system reacts to a “false alarm.” Normally, the human body defends itself against harmful things, such as viruses or bacteria. But

Cold vs. Allergy in Children: How to Tell the Difference Colds are infections of the upper respiratory tract (sinuses, nasal passages, throat, and larynx). They are caused by several different viruses. They are spread by: Touching a person with a cold, such as shaking hands, and

Allergic Rhinitis in Children What is allergic rhinitis in children? Rhinitis is a reaction that happens in the eyes, nose, and throat. It occurs when allergens in the air set off the release of histamine and other chemicals in the body. Normally allergens are harmless. But when

Urinary Incontinence (Enuresis) in Children What is enuresis in children? Urinary incontinence (enuresis) is the loss of bladder control. In children younger than age 3, it’s normal to not have full bladder control. As children get older, they become more able to control their

Fever in a Newborn Baby The system that controls body temperature is not well developed in a newborn baby. Call your baby's healthcare provider right away if your baby is younger than 3 months old and has a rectal or forehead (temporal) temperature of 100.4°F (38°C) or higher