Jonathan Miller, MD, Author at Nemours Blog | Expert Guidance on Children's Health and Wellness

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Jonathan Miller, MD

Happy little girl blowing pollen from a flower outside in spring.

Spring Allergy Season Is Starting Early: What Parents Can Do

Spring 2026 is shaping up to be a tough allergy season based on January and February’s roller coaster temperature shifts from early warmth to sudden cold snaps, which set the stage for intense pollen production in some areas. And with tree pollen arriving weeks ahead of schedule and pollen counts predicted to spike rapidly across the East Coast, parents need to plan ahead to minimize seasonal allergy suffering. The good news? You don’t have to wait for the sniffles and sneezes to start. The best way to care for allergies in kids is to track what’s happening outside, get ready for pollen season inside, and see the doctor (if needed) to manage allergies early. By taking action before the pollen bomb hits in March and April, you can help your children breathe easier and enjoy spring the way it’s meant to be enjoyed. When is allergy season? In the United […]

Measles disease. Health concept, Infectious, viral diseases. Vaccination of children against measles.

Measles: What Parents Need to Know About Recent Outbreaks

You’ve probably heard the news lately about measles outbreaks in the U.S. Although the disease was declared eliminated here in 2000, there have been increasing outbreaks across the country since 2024. In fact, 2025 saw more confirmed cases of measles in the U.S. than in any year since 1991. Additionally, the Centers for Disease Control and Prevention (CDC) have already reported more than 982 confirmed cases in just the first two months of 2026, with the most occurring in South Carolina and Utah. With cases on the rise, parents must understand measles and know what they need to do to prevent and spot it in their children. Vaccinations: The Best Protection Against Measles Measles is a highly contagious virus and it’s not just a rash and a fever. It can cause serious health complications, especially in children younger than 5. The large majority of people who get measles are unvaccinated (so […]

Doctor applies an adhesive bandage to preteen girl's arm after the girl receives a flu shot at an outdoor free clinic.

Protect Your Family This Season With a Flu Vaccine

The 2024-25 flu season was the deadliest flu season for U.S. children in more than a decade, according to September 2025 reports from the Centers for Disease Control and Prevention (CDC). One report included data on the 280 U.S. children who died, and while the authors say that it’s unclear why there were more pediatric deaths than in previous seasons, the best way to protect children from flu is to get them vaccinated. Based on their findings, of the 208 children with vaccine information available, 89% had not been fully vaccinated against flu. Overall, only about half of children in the U.S. got their flu shot last year. Here are some things to know about flu shots and how this year’s flu vaccines are more convenient — and important — for families than ever. When is flu season? The official flu season in the United States typically runs from October […]

What You Could Miss If You Skip Your Child's Well Visit

What You Miss If You Skip Your Child’s Well Visit

Your family has been doing their part and staying home as much as possible to prevent and stop the spread of COVID-19. But messages can get confusing about whether you should take your child to their doctor for a pediatric well visit or check-up. Even during a pandemic, it’s important for kids to have their growth, development, and well-being tracked. What You Could Be Missing by Skipping Your Child’s Well Visit Physical Exam: A regular physical exam can help your doctor pick up hard-to-detect issues like high blood pressure, heart murmur, lumps and bumps, ear and hearing issues, and even cavities. Assessment of Growth: During a check-up, your healthcare provider will track height, weight, and BMI. These measurements can tell them if your child has any medical issues that impact growth. Assessment of Development: A development exam looks at parts of your child’s functioning, including things like reasoning and understanding, […]

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