Hand, Foot, and Mouth Disease: What Parents Should Expect

01

What It Is

Hand, foot, and mouth disease is a common viral illness, most often caused by a coxsackievirus, that mainly affects children under five. It causes painful mouth sores and a rash, sometimes with small blisters, on the hands, feet, and often the buttocks or legs.

Fever and reduced appetite frequently accompany the rash and mouth sores, especially in the first day or two. It spreads easily in group childcare and preschool settings, which is why outbreaks often cluster among classmates.

02

The Typical Course

Illness usually starts with fever, sore throat, and a drop in appetite, with mouth sores appearing a day or two later, followed by the skin rash on hands and feet. Discomfort peaks around the mouth sores, which can make eating and drinking genuinely painful for a few days.

Most children recover on their own within seven to ten days with rest, fluids, and comfort measures, and no specific antiviral treatment is generally needed for typical cases.

03

Contagion, Honestly

The virus spreads through saliva, fluid from blisters, and stool, and a child remains contagious for some time even after the fever and rash fade, particularly through stool, which can shed virus for several weeks. This means strict handwashing matters well past the point a child looks better.

Avoiding shared cups and utensils, frequent handwashing, and keeping a symptomatic child home while feverish or with open mouth sores reduce spread, though given how contagious it is, transmission can't be eliminated entirely, especially in group childcare settings.

04

Managing Mouth Sores and Discomfort

Cool, soft, bland foods and cold drinks, ice pops, yogurt, smoothies, tend to be easier to tolerate than acidic, salty, or crunchy foods when the mouth is sore. Encouraging frequent small sips of fluid matters more than pushing a full meal for a few days.

05

When It's More Than HFMD

Signs of dehydration, very few wet diapers, no tears when crying, a dry mouth, or unusual lethargy, along with refusal of all fluids or a fever persisting beyond a few days, go beyond a routine case and warrant a same-day call to the pediatrician. Sudden severe drowsiness or breathing difficulty needs urgent evaluation.