Most Common Illnesses And Infections In Children

Children are typically much more susceptible to illnesses and infections than healthy adults. For the first six months of a child’s life, they are protected to a certain extent by the biological immunity passed down from their mother. At around six months of age, it is common for children to start getting more frequent colds and other ailments. A child’s immune system is not fully developed, and children are exposed to a significant amount of viruses and bacteria at daycare and school. In addition, children frequently put their hands in their mouths, and they are often unable to practice healthy hand washing habits. This combination can allow dangerous viruses and bacteria to enter the body and cause illness. Many childhood illnesses can be diagnosed with a physical exam alone, and blood tests may sometimes be needed.

Some of the most common childhood illnesses and infections are outlined below. Many of these can be prevented with vaccines. If a child shows any symptoms of these conditions, a prompt medical evaluation should be conducted by a pediatrician or another healthcare provider.

Hand, Foot, And Mouth Disease


Hand, foot, and mouth disease is a viral condition that most often develops due to a coxsackievirus. Symptoms usually begin within three to six days of infection, and a fever is normally the first symptom. Patients may also develop a sore throat, and a rash on the palms of the hands and soles of the feet is common. Although the rash does not generally itch, it may cause discomfort and blistering. Painful sores on the inside of the mouth are frequently present, and some children with this condition may be irritable and experience a loss of appetite. This ailment usually resolves on its own within ten days, and there is no specific treatment for it. Doctors recommend using a topical numbing gel to relieve the pain from mouth sores, and acetaminophen is recommended for relieving generalized discomfort.

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