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What I Keep in My Car in Case of a Flare out in Public

If you live with conditions like POTS, MCAS, ME/CFS, Ehlers-Danlos syndrome, or other chronic illnesses that can turn on a dime, your car slowly stops being “just a car.”

It becomes THE backup plan.
A cooling station.
A mobility aid storage unit.
A medical supply closet.
A safe place to recover when your body suddenly decides it has had enough.

Living along the southeastern coast means heat, humidity, storms, pressure changes, blazing parking lots, and temperatures that can trigger symptoms before you even realize what’s happening. Add in dysautonomia, EDS, mast cell madness, fatigue, pain, and unpredictable flares, and suddenly a quick errand can become a much bigger situation. (even a day ruiner if you’re not prepared)

One of the biggest things I keep in my car at all times is one of my rollators.

I know that having more than one mobility aid is absolutely a privilege, and I want to acknowledge that openly because not everyone has access to that level of support or equipment. Mobility aids can be expensive, insurance coverage can be inconsistent, and many disabled people are forced to choose between necessities.

That said, having one stored in my vehicle has genuinely changed my quality of life.

I keep it either in my trunk or backseat because I never fully know what kind of day my body is going to decide we’re having. Sometimes I leave the house feeling “mostly okay,” only to end up dizzy, tachycardic, overheated, weak, in pain, or dangerously fatigued halfway through an outing.

Knowing I have access to immediate seating, support, and stability gives me significantly more confidence leaving the house.

It also helps reduce the mental exhaustion of constantly asking myself:
“What if I start to crash while I’m out?”
“What if the walk is farther than expected?” “What if there’s no place to refill my water bottle?”
“What if there’s nowhere to sit?” “What if there’s a long queue?”
“What if my joints start subluxing?” “What if my hips-pelvis do that thing again?”
“What if the heat hits me harder than usual today?”

The answer becomes:
“Okay. I planned for that.”

I also keep a collapsible wagon in my car.

This thing has become one of my favorite life hacks.

It helps with groceries, large packages, laundry, heavy items, events, and honestly anything that would otherwise require multiple trips back and forth in the heat. Conserving energy matters more than people realize when you live with fatigue-based illnesses or autonomic dysfunction.

Sometimes adaptive living is not about dramatic medical equipment.
Sometimes it’s just reducing the number of times you have to carry things across a parking lot or up/ down a driveway in 94-degrees and 1,002% humidity.

Here are five other things I keep in my car that make flares a little easier to manage:

1. Electrolytes + Water

This one sounds obvious until you experience how quickly heat can worsen POTS symptoms.

Hydration matters, but for many dysautonomia patients, electrolytes are equally important.

Because of my MCAS, I actually struggle a lot with many of the salty snacks that are commonly recommended or well tolerated in the POTS community. For example, I cannot eat pickles without extreme nausea and a terrible aversion to the taste, even though they are a very common recommendation for POTS patients.

Instead, I personally do better with things like:
• soy sauce packets (if you safely tolerate gluten)
• dye-free & dairy-free electrolyte packets
• Vitassium salt capsules

I’ll share the electrolyte brand I found at my local grocery store because finding options that work with MCAS triggered food reactions can be surprisingly difficult (and wildly inconsistent, and if you get it, you get it).

One important note about salt capsules: be careful taking them on an empty stomach or when you are already poorly hydrated. Sometimes they can trigger significant nausea or even vomiting, so I try to use them cautiously.

Ideas to consider:
• shelf-stable electrolyte packets
• bottled water (don’t pitch a fit about this, our bodies are worth the disposable plastic bottle)
• salty snacks (some people like pretzels or chips, I can’t eat either but if you can, you may like these ideas)

Humidity + heat along the southeastern coast are not playing around right now. So do what you need to do to preserve you.

2. Cooling Tools

Heat intolerance can escalate incredibly fast.

I a handheld rechargeable fan and cooling towels nearby whenever possible. Even sitting in a hot parked car for a few minutes can trigger symptoms for some of us.

One thing that has helped me a lot is keeping a disposable water bottle, or a reusable one if you are environmentally concerned, in the car specifically for cooling towels. Not necessarily for drinking, but to wet the towel quickly when the heat becomes overwhelming.

These can help reduce:
• dizziness
• nausea
• tachycardia
• flushing
• overheating
• fatigue crashes

Sometimes managing our chronic illness symptoms is less about “fixing” symptoms and more about interrupting the spiral before it gets worse.

3. Emergency Safe Foods

When you have MCAS, severe food sensitivities, allergies, GI issues, or blood sugar instability, finding safe food while out can become surprisingly difficult.

I try to keep shelf-stable “safe enough” options nearby for emergencies.

Even if it’s not your ideal meal, having something available can prevent:
• symptom escalation
• blood sugar crashes
• medication intolerance from an empty stomach
• panic from having no safe options nearby

Fed is better than stranded and symptomatic.

Some of the things I personally like to keep on hand are a handful of dye-free Haribo gummies that are also dairy-free and generally safe for me. They are not necessarily heat resistant, but because they are individually packaged and tend to keep for a while without expiring quickly, they can be really helpful if my blood sugar suddenly drops.

I also like keeping a small jar of peanut butter in the car. The combination of sugar, fat, and protein can help stabilize things a little better than quick sugar alone.

Another thing that works well for me is keeping a few scoops of my EleCare amino acid-based formula in a small airtight reusable container. That way I can quickly mix it with water, or Diet Coke if I’m being honest. I know that sounds gross, but I have successfully gaslit myself into believing it tastes like a Coke float.

Lastly, I highly recommend storing your emergency foods in a small, well-sealed container so they do not attract bugs or critters, especially if they are going to live in your car long term.

4. Braces, Compression, & Joint Support

If you have Ehlers-Danlos syndrome or hypermobility, you already know one wrong movement can completely change the course of your day.

I usually keep some combination of:
• additional compression garment (like the Alki Active Hip Hugger)
• KT tape
• mobility supports (like the aforementioned Rollator and foldable wagon)

Because sometimes your body is fine until it suddenly is not.

Having supports available immediately can prevent a small issue from becoming a larger flare.

5. Emergency “Just Ones”

This is basically my “oh shoot, I forgot” kit.

It usually contains:
• 1 additional dose of each medication in a small organizer
• 1 backup charge cord (+ wall plug)
• wipes (wrapped in a Ziplock bag)
• an extra handful of disposable masks (individually wrapped)
• backup sunglasses
• 1 hair tie/scrunchy
• a small travel-sized reaction-friendly bug spray
• napkins
• a change of undergarments
• emergency contact information + list of medical diagnoses

I don’t expect disaster every time I leave the house, but preparation reduces stress. We all know stress itself worsens symptoms, so how can we set our future selves up for success? PLANNING ✨

There’s something deeply vulnerable about living in a body that can become unpredictable without warning.

But there’s also something incredibly empowering about adapting anyway!

I am making my environment more accessible to myself.

That’s something more of us need to realize we have the permission to do.

Accessibility is not failure. Preparation is not weakness.
Supporting your future self is one of the kindest things you can do for yourself (and for those around you)!

One final reminder: always double-check storage recommendations for medications and medical supplies, especially during the summer months. Extreme vehicle temperatures can damage certain products (like cromolyn, albuterol, and adhesives) very quickly.