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Comprehensive. Convenient. Compassionate.
A Division of Pomona Valley Hospital Medical Center

Hydration Hacks: How to Keep Kids and Seniors Safe in the Summer Heat

Sep 19, 2025
Two young girls drinking water out of glass cups over the sink.

Summer brings longer days, family outings, and more time outdoors, but it also increases the risk of dehydration and heat-related illnesses, especially for children and older adults.

When temperatures rise, these vulnerable groups can lose fluids faster and struggle to regulate their body temperature.

At Pomona Valley Health Centers (PVHC), our family care experts want you to enjoy the season while staying safe. Here’s how to spot the risks, keep everyone hydrated, and know when it’s time to seek care.

Why Hydration Matters More in Summer

The hotter it gets, the harder your body has to work to keep cool. During summer, hydration isn’t just important; it’s essential for preventing serious health issues.

How Heat Affects the Body

Hot weather speeds up fluid loss through sweat, even when you’re not exercising. Without adequate replacement, your body’s cooling system struggles, which can lead to dehydration, heat exhaustion, or heatstroke.

Why Children and Seniors Are Most at Risk

Some groups have a harder time staying hydrated in extreme heat. Children have smaller bodies that heat up more quickly and can lose a higher percentage of fluids in a short time.

Seniors often have a reduced sense of thirst and may be on medications that affect fluid balance, making them more prone to dehydration. In fact, a meta-analysis by Tufts reveals that 1 in 4 adults aged 65+ are clinically dehydrated year-round, so paying closer attention to hydration in the warmer months is crucial.

Top Hydration Tips for Children

According to Johns Hopkins Medicine, kids should drink as many 8-ounce glasses of water each day as their age, up to age 8. After that, children 8 and older should aim for eight 8-ounce glasses a day.

The truth is, kids are often too busy playing to think about water, so parents and caregivers need to take the lead.

These simple steps can help keep them safe and hydrated:

  • Offer fluids often: Don’t wait for your child to say they’re thirsty. Encourage water breaks every 20–30 minutes during outdoor play.
  • Make water fun: Use colorful bottles or add slices of fruit for a hint of flavor.
  • Consider hydrating snacks: Offer watermelon, cucumber, oranges, or grapes for extra fluids.
  • Limit sugary drinks: Soda, energy drinks, and too much juice can actually worsen dehydration.
  • Watch for early signs: Fatigue, irritability, and fewer bathroom trips may be the first indicators your child needs more fluids.

Learn more about keeping children healthy year-round with our pediatric care services.

Best Hydration Strategies for Seniors

Older adults may not feel thirsty until they’re already dehydrated, so proactive hydration is key.

These strategies make it easier to stay on track:

  • Set reminders: Timed water breaks or using a marked water bottle can help seniors track intake.
  • Balance electrolytes: Include hydrating beverages like electrolyte-enhanced water or low-sugar sports drinks if sweating heavily.
  • Avoid diuretics: Limit caffeinated and alcoholic drinks, which can increase fluid loss.
  • Aim for light, water-rich meals: Soups, smoothies, and fresh produce add hydration without extra effort.
  • Monitor health conditions: Those with heart or kidney concerns should follow provider-specific hydration guidelines.

For more personalized guidance on hydration or other senior-related health concerns, visit our geriatrics care team.

When to Seek Medical Help

Even with the best prevention, dehydration can happen. Knowing when to get professional care can make a big difference in recovery and safety.

Warning Signs of Severe Dehydration

Severe dehydration is a medical concern that needs immediate attention.

Call a healthcare provider right away or visit PVHC urgent care if you notice:

  • Dizziness or confusion.
  • Rapid heartbeat or breathing.
  • No urination for several hours.
  • Dry mouth, cracked lips, or sunken eyes.
  • Extreme fatigue or irritability.

Urgent Care vs. Emergency Room

Choosing the right level of care matters:

  • Urgent care is ideal for mild to moderate dehydration that needs prompt attention, like dizziness, weakness, or persistent vomiting.
  • Emergency care is necessary for severe symptoms such as loss of consciousness, seizures, or signs of heatstroke.

Our urgent care centers are open seven days a week and can provide evaluation, rehydration, and follow-up care.

If you are experiencing a medical emergency, please dial 9-1-1 now.

How PVHC Can Help Families Stay Safe

PVHC offers care for all ages, from pediatrics to geriatrics, ensuring every family member gets the attention they need.

Our team can assess symptoms, recommend safe hydration goals, and treat dehydration before it becomes an emergency.

Stay Cool, Stay Safe This Summer

Dehydration can escalate quickly in children and seniors, but with the right habits, it’s preventable.

Make hydration a family priority, watch for early warning signs, and seek help when needed.

To learn more, request an appointment today and get the trusted care your family needs to stay healthy all year long– summer included.

Frequently Asked Questions

If you’re unsure about how to keep your loved ones hydrated in summer, these quick answers can help you stay informed and confident.

What are the first signs of dehydration in children?

Early symptoms include irritability, dry lips, fewer wet diapers or bathroom trips, and unusual tiredness.

How much water should older adults drink daily in summer?

Most seniors should aim for at least 6–8 cups a day, but individual needs vary, especially for those with chronic conditions.

What drinks should kids and seniors avoid in hot weather?

Limit soda, caffeinated beverages, and high-sugar sports drinks, as they can contribute to fluid loss.

Can dehydration cause confusion in the elderly?

Yes, confusion or sudden changes in mental status can be a sign of significant dehydration and should be addressed promptly.

When should I take my child or parent to urgent care for heat issues?

Seek urgent care if symptoms don’t improve with rest and fluids, or if you see warning signs like dizziness, persistent vomiting, or rapid heartbeat.

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