The thing most articles skip
Older adults often stop feeling thirsty before they stop needing water, and many take medications that quietly make heat more dangerous. Blood pressure pills, diuretics, some antidepressants, and drugs for Parkinson's or overactive bladder can all change how the body handles heat. That is the piece you probably have not been told. Ask the pharmacist or the prescribing doctor which of your parent's medications affect heat tolerance, and ask before the next hot week, not during it.
The second thing: a Miami home can be dangerously hot even with the AC running. A unit that cools the living room to 78 may leave a back bedroom at 84. Heat rises, older bodies regulate poorly, and a nap in a warm room is where trouble starts. Put a cheap standalone thermometer in the room your parent actually uses. Do not trust the number on the wall thermostat, trust the number in the room.
Do these tonight
Short calls, quick checks. None of this takes more than a few minutes.
- Ask what the thermostat reads right now, and what room your parent is sitting in
- Walk through the house on video and feel each room, especially bedrooms
- Confirm the AC has been serviced this year and the filter is clean
- Put a large water bottle within arm's reach of the chair and the bed
- Move a fan into the bedroom, pointed across the bed, not directly at the face
- Check that blackout curtains or blinds are closed on west-facing windows
- Ask the pharmacist which current medications reduce heat tolerance
- Save the power company outage number in your parent's phone and yours
- Write your cell number in large print, tape it by the landline, and set a morning and evening check-in time you will both keep
Your plan for the rest of the week
Do these in order. Each one makes the next one easier.
Set the thermostat and leave it alone
Aim for 76 to 78 degrees, day and night. Older adults often turn the AC up to save money or because they feel cold. Explain that you would rather pay the bill than have them in the ER, then ask them to leave it set.
Build a hydration routine tied to something they already do
A glass of water with each medication dose. A glass with the morning news. A glass before the afternoon show. Habits work when thirst does not. Skip caffeine and alcohol during heat advisories.
Plan errands and appointments for before 10 a.m.
The walk from the car to the doctor's office at 2 p.m. in July is the risk. Move standing appointments to morning slots when you can, and ask offices to text you when your parent arrives.
Make a power outage plan in writing
Where does your parent go if the AC fails for more than an hour? A neighbor with a generator, a nearby relative, a hotel, a public cooling center. Write the address and phone number on paper and put it on the fridge. Enroll your parent in the Florida Special Needs Registry through the state emergency management site, which flags frail residents to local responders during outages and evacuations. If a medical device is in use, register with FPL's Medical Essential program as well.
Line up eyes in the home if you are not local
A neighbor who stops by, a family member on a rotation, or a paid caregiver for the hottest hours. A short daily visit catches problems a phone call misses. Confusion, unsteady walking, and flushed dry skin are easier to see than to hear.
When to call 911, not the doctor
Body temperature over 103, hot dry skin with no sweating, confusion, slurred speech, fainting, or a seizure. This is heat stroke and it is a medical emergency. Do not wait to see if it passes. Call 911, move your parent to the coolest room, and put cool wet cloths on the neck, armpits, and groin while you wait.
Early signs of heat trouble
- Headache or feeling lightheaded
- Muscle cramps in the legs or belly
- Heavy sweating and clammy skin
- Feeling weak or unusually tired
- Dark yellow urine or going less often
- Nausea or loss of appetite
What to do in the first hour
Get your parent into the coolest room in the house and remove extra layers. Give small sips of cool water every few minutes, not a large glass at once. Put a damp cloth on the back of the neck and the wrists.
Call the primary care doctor's office and describe what you are seeing. If symptoms do not improve within an hour, or if confusion or vomiting starts, go to the ER. Trust what you see over what your parent tells you. Older adults routinely underreport how bad they feel.
Common questions
My mom keeps turning the AC off when I am not there. What do I do?
This is common and it is usually about the electric bill or feeling cold. Have a direct conversation about why you want it left on during heat advisories, and offer to pay the summer bill yourself if that is the real worry. A smart thermostat you can check remotely helps, so you can see the setting without another argument on the phone.
How much water should an older adult drink in Miami heat?
Ask the primary care doctor for a specific target, because it depends on kidney function, heart conditions, and medications. Some older adults are on fluid restrictions and drinking more is actually harmful. A glass with each meal and each medication dose is a safe starting point for most people, but confirm with the doctor first.
Are cooling centers in Miami-Dade actually a good option for my dad?
They are a real option during outages or if the home AC fails, and Miami-Dade opens them during declared heat emergencies. Call 311 for the current list. For a frail parent, a hotel or a relative's home is usually easier than a public center, so have both plans ready.
What if my parent refuses help even though I am worried?
An adult gets to make their own choices, even ones you disagree with. What helps is staying in regular contact, being specific about what worries you, and offering small steps rather than a big change. A free in-home nurse assessment is often easier to accept than the word caregiver, because it is information, not a commitment.
Does Medicare pay for someone to come help with bathing and meals in the heat?
Generally no. Medicare covers skilled medical home health after a qualifying event, not day-to-day help with bathing, meals, and companionship. Long-term care insurance often does cover non-medical home care.
How fast can someone actually start if I decide we need help this week?
A registered nurse can usually visit the home within 24 hours of your call to do a free assessment and write a care plan. Care can start soon after that, depending on the hours and days you need. The plan is yours to keep even if you decide to go elsewhere.