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Educational use only: Symptom.Today is an educational tool and does not provide medical advice, diagnosis, or treatment. Results are not a substitute for professional medical care. If symptoms are severe, worsening, or concerning, seek medical attention immediately. In an emergency, call your local emergency number.
Infectious DiseaseMild

Hand, Foot, and Mouth Disease (HFMD)

Hand, foot, and mouth disease is a common, highly contagious viral infection that primarily affects infants and children under age 5. It is characterized by sores in the mouth and a distinctive rash on the hands and feet.

Severity
Mild
System
Whole body
Progression
Self-limited
Treatable
Yes — usually with self-care or routine treatment
Common age
All ages
Duration
Acute (days–weeks)
Contagious
Sometimes
Emergency risk
High
Whole body
Affected area: Whole body

Overview

Hand, foot, and mouth disease is a common, highly contagious viral infection that primarily affects infants and children under age 5. It is characterized by sores in the mouth and a distinctive rash on the hands and feet.

Symptoms

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Primary symptoms

No symptoms mapped yet.

Causes

  • Coxsackievirus A16
  • Enterovirus A71
  • Direct contact with saliva or mucus
  • Contact with contaminated surfaces

Risk factors

  • Age (mostly children under 5)
  • Frequent contact with childcare centers
  • Poor handwashing habits
  • Summer and autumn seasons

How it progresses

3 stages
  1. Onset
    Symptoms appear, often triggered by a known cause.
    Often missed
  2. Active phase
    Symptoms peak; self-care or short treatment usually helps.
  3. Resolution
    Symptoms ease over days to weeks with proper care.

How it's diagnosed

  • Physical examination of rash and sores
  • Review of symptoms and age
  • Throat swab (rarely)
  • Stool sample (rarely)

Treatment options

General educational information only — no dosage advice. Always follow guidance from a qualified clinician.

Medical
  • Over-the-counter pain relievers
  • Antipyretics for fever control
  • Topical numbing gels for mouth sores
Home care
  • Drink plenty of cold fluids
  • Eat soft foods (yogurt, smoothies)
  • Avoid spicy or acidic foods
  • Use saline mouth rinses
  • Rest and fever management
  • Hydration monitoring

Complications

  • Reduced quality of life
  • Worsening symptoms over time
  • Recurrence of hand, foot, and mouth disease (hfmd)

Prevention

  • Maintain a healthy lifestyle
  • See a clinician for routine check-ups

When to seek help

Urgent — same-day care
  • Symptoms persist beyond a few days
  • Symptoms interfere with daily activities
  • New or worsening symptoms appear
  • Concerning changes related to hand, foot, and mouth disease (hfmd)
🚨 Emergency — call now
  • Signs of dehydration (no wet diapers)
  • High fever that won't come down
  • Seizures or stiff neck
  • Confusion or extreme sleepiness
  • Inability to swallow fluids

In any emergency, call your local emergency number or go to the nearest emergency department.

Real-world questions

  • Can Hand, Foot, and Mouth Disease (HFMD) cause headaches?
  • Is Hand, Foot, and Mouth Disease (HFMD) reversible?
  • How quickly does Hand, Foot, and Mouth Disease (HFMD) progress?
  • Is Hand, Foot, and Mouth Disease (HFMD) hereditary?
  • Can Hand, Foot, and Mouth Disease (HFMD) be prevented?

Frequently asked questions

What causes Hand, Foot, and Mouth Disease (HFMD)?

Possible causes of Hand, Foot, and Mouth Disease (HFMD) include Coxsackievirus A16, Enterovirus A71, Direct contact with saliva or mucus, Contact with contaminated surfaces.

Is Hand, Foot, and Mouth Disease (HFMD) dangerous?

Hand, Foot, and Mouth Disease (HFMD) is generally mild, but severity can vary. Seek care if symptoms are severe or persistent.

How long does Hand, Foot, and Mouth Disease (HFMD) last?

Duration varies between individuals. Many cases improve with appropriate care, while others may persist longer and require ongoing management.

Can Hand, Foot, and Mouth Disease (HFMD) go away on its own?

Some milder cases may improve with rest and self-care. If symptoms persist or worsen, consult a healthcare professional.

When should I see a doctor about Hand, Foot, and Mouth Disease (HFMD)?

Consider seeing a clinician if symptoms are severe, persistent, worsening, or if you have any concerns related to general.

Sources

Information based on general medical references such as:

CDCNHSWHOMedlinePlus

Last reviewed: May 2026

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Educational use only: Symptom.Today is an educational tool and does not provide medical advice, diagnosis, or treatment. Results are not a substitute for professional medical care. If symptoms are severe, worsening, or concerning, seek medical attention immediately. In an emergency, call your local emergency number.