Pediatric Hypertension Is Common: 7 Factors That Raise Your Child's Risk of High Blood Pressure

Almost half of all American adults have high blood pressure (hypertension). But did you know that anyone can have high blood pressure, regardless of age? Pediatric hypertension is more common than most parents realize, and it's important to recognize the signs, as well as the risks.

May is Hypertension Awareness Month, and Devyani Chowdhury, MD, MHA, and our team at Cardiology Care for Children in Gordonville, Lancaster, and Mifflinburg, Pennsylvania, and Shipshewana, Indiana, are highlighting what puts children at risk for high blood pressure and why early detection is essential for their long-term cardiovascular health.

Pediatric hypertension is serious

High blood pressure in childhood isn't just a temporary concern that kids “grow out of.” It can affect your child's growth, development, and organ function during critical developmental years, and children with hypertension face increased risk of conditions like heart disease, kidney damage, and stroke later in life.

Early identification and management protect your child's health trajectory and prevent serious complications down the road, but it’s important to note that high blood pressure rarely shows warning signs. Routine screenings and well-child visits are the only way to identify high blood pressure and other common conditions.

We specialize in comprehensive testing and evaluation for children with suspected or confirmed hypertension. Understanding your child's risk factors helps you take preventive action and know when screening is especially important, and here are seven factors that might raise their risk.

1. Obesity and excess weight

Your child's weight is the most significant modifiable risk factor for pediatric hypertension. Excess body weight forces your child's heart to work harder to pump blood, and fat tissue also produces hormones and inflammatory substances that affect blood pressure regulation.

Children who are overweight or obese are significantly more likely to develop high blood pressure compared to their peers who are at a healthy body weight. The good news is that weight management through healthy eating and increased physical activity can substantially reduce this risk.

2. Family history

If you or your child's other parent has hypertension, heart disease, or other cardiovascular conditions, your child faces increased risk. High blood pressure tends to run in families due to both genetic factors and shared lifestyle habits.

You can't change your child's genetic makeup, but knowing there's a family history of heart conditions may mean your child needs more vigilant monitoring and early intervention if any issues develop.

3. Poor diet high in sodium

Your child's eating habits directly impact their blood pressure. Diets high in processed foods, fast food, and salty snacks contain excessive sodium that makes their body retain fluid, which increases blood volume and pressure on artery walls.

Limiting processed foods and teaching your child to enjoy fresh, whole foods establishes healthy patterns that protect their blood pressure.

4. Sedentary lifestyle

Regular exercise helps keep your child’s heart strong and functioning at its best, but many children spend long hours in front of screens not getting the physical activity they need.

A sedentary lifestyle contributes to weight gain and directly affects cardiovascular health, while an active lifestyle helps your child maintain healthy weight and improves how their body regulates blood pressure. In general, children need at least 60 minutes of moderate to vigorous physical activity each day.

5. Premature birth or low birth weight

If your child was born prematurely or with low birth weight, they face increased risk of developing high blood pressure during childhood and adulthood. The reasons aren't completely understood, but may relate to incomplete development of organs including the kidneys and cardiovascular system. Children with this history need closer monitoring throughout their development.

6. Underlying medical conditions

Certain health conditions could put your child at higher risk for secondary hypertension, where high blood pressure results from another medical problem. Kidney disease and kidney abnormalities are among the most common causes of pediatric hypertension.

Heart defects present from birth can also affect blood pressure regulation. Endocrine disorders including thyroid problems and hormonal imbalances raise risk, too.

Sleep apnea, where breathing repeatedly stops during sleep, increases blood pressure even in children. If your child has any of these conditions, regular blood pressure monitoring becomes especially important.

7. Certain medications

Some medications your child takes for other conditions can elevate blood pressure as a side effect. For example, stimulant medications commonly prescribed for attention-deficit/hyperactivity disorder (ADHD) can increase heart rate and blood pressure.

Corticosteroids used for asthma, allergies, or autoimmune conditions may raise blood pressure. Immunosuppressive drugs and certain over-the-counter (OTC) cold medications containing decongestants can also affect blood pressure, so if your child takes any regular medications, discuss potential blood pressure effects with their provider.

This Hypertension Awareness Month, make sure you get your child's blood pressure checked regularly, especially if they have risk factors like the ones we talk about here. Early detection and intervention can prevent serious complications and set your child on a path toward lifelong cardiovascular health. Get started by calling our nearest office to schedule a visit today.