Children's Health: Symptoms, Development, and Childhood Conditions
🩺 Medically reviewed by the Health Decoded Guide Editorial Team · Last reviewed: July 2026
Children experience unique health and developmental needs. Recognizing symptoms early can help ensure timely care and healthy development.
Health Decoded Guide provides easy-to-understand, medically reviewed information to help parents and caregivers recognize common childhood illnesses, understand developmental milestones, and know when medical attention may be needed.
Every child gets sick sometimes. Most childhood illnesses are mild, but knowing the warning signs can help parents feel confident about when home care is appropriate and when to seek medical attention.
Browse children's health topics below.
🟧Common Childhood Symptoms
🟧Childhood Asthma and Breathing Conditions
😮💨Asthma
- Asthma in Children
- Allergic Asthma in Children
- Exercise-Induced Asthma in Children
- Night-time Asthma in Children
- Seasonal Asthma in Children
- Preschool Wheeze
- Severe Asthma in Children
🫁Asthma Management
📑Asthma Comparisons
- What Can Be Mistaken for Asthma in Children?
- Viral Wheeze vs Asthma
- Preschool Wheeze vs Asthma
- Asthma vs Bronchiolitis
- Asthma vs Pneumonia
- Asthma vs Croup
🟧Child Development
🟧Neurodevelopmental Conditions
🟧Childhood Infections
• Chickenpox
• Mumps
• Rubella (German Measles)
• Hand, Foot and Mouth Disease
• Scarlet Fever
• Whooping Cough (Pertussis)
• Croup
• Bronchiolitis
• RSV (Respiratory Syncytial Virus) Infection
• Pneumonia in Children
• Tonsillitis in Children
• Strep Throat in Children
• Conjunctivitis (Pink Eye) in Children
• Impetigo
• Oral Thrush in Children
🟧 Childhood Digestive Health
• Constipation in Children
• Stomach Pain in Children
• Acid Reflux in Children
• Food Intolerance in Children
• Severe Dehydration in Children
🟧Childhood Skin Conditions
🟧 Childhood Allergies
• Hay Fever in Children
• Food Allergies in Children
• Dust Mite Allergy in Children
• Allergic Rhinitis in Children
• Anaphylaxis in Children
🟧 Childhood Nutrition
• Healthy Eating for Children
• Iron Deficiency in Children
• Vitamin D Deficiency in Children
• Childhood Obesity
• Poor Appetite in Children
🟧 Sleep and Behaviour
• Sleep Problems in Children
• Night Terrors
• Bedwetting (Nocturnal Enuresis)
• Separation Anxiety in Children
• Anxiety in Children
🚨 Childhood Emergency Warning Signs