Infant and toddler health

By Mayo Clinic Staff

New parents and those who've had children for a while often have questions about infant and toddler health. Which vaccines do children need? What's the best way to take a child's temperature? What happens at well-child exams? What's the latest in infant and toddler health?

The more parents know about infant and toddler health, the more at ease they can feel caring for their children. If you have questions about your child's health, start by asking your child's healthcare professional. Remember, nothing is too small when it comes to your child's health.

Find out how to reach your child's health professional between visits. Questions about infant and toddler health can come up at any time. Knowing how to get help can help ease your mind.

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April 30, 2026

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  17. Childhood vaccines: Tough questions, straight answers
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  21. COVID-19 vaccines for kids: What you need to know
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  24. Enterovirus D68 and parechovirus: How can I protect my child?
  25. Feeding your newborn: Tips for new parents
  26. Flu shots for kids
  27. Hand-washing: Do's and don'ts
  28. Helping baby sleep through the night
  29. Induced lactation: Can I breastfeed my adopted baby?
  30. Infant constipation: How is it treated?
  31. Infant development: Birth to 3 months
  32. Infant development: Milestones from 10 to 12 months
  33. Infant development: Milestones from 4 to 6 months
  34. Infant development: Milestones from 7 to 9 months
  35. Infant formula: 7 steps to prepare it safely
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  38. Language development: Speech milestones for babies
  39. Long COVID: Lasting effects of COVID-19
  40. Mayo Clinic Minute: Are you keeping your child as safe as possible in the car?
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  47. Screen time and children: How to guide your child
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  51. Spitting up in babies: What's OK, what's not
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  56. Thumb sucking: Help your child break the habit
  57. Toddler speech development: What's typical for a 2-year-old?
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  64. What a newborn really looks like
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  67. Why babies need vaccines early in life: A guide for parents