Emergency Kit for Chronic Medical Conditions: Insulin, Inhalers, and What Else to Pack

By Logan Pierce

An emergency kit for chronic medical conditions is different from a standard first aid kit, because a missed dose or a warm vial of insulin can turn into a real medical emergency fast. If you or someone in your house depends on insulin, a rescue inhaler, or any daily prescription, a power outage or a few days cut off from a pharmacy is a much bigger deal than it is for the rest of us. The good news is that federal health agencies have already worked out the practical details, like exactly how warm insulin can get before it's unsafe, and how long an inhaler keeps working past its printed date. This is general safety information, not medical advice, so use it alongside guidance from your own doctor, pharmacist, or diabetes or asthma care team.

What should be in an emergency kit for chronic medical conditions?

At the core, it's a written medication list, a week's backup supply of every prescription, and a plan for keeping temperature-sensitive medicine cold. The Ready.gov tips for a medication emergency kit recommend keeping a list of your prescription medicines that includes your diagnosis, dosage, frequency, medical supply needs, and allergies, storing extra doses of your non-prescription drugs, and having a cooler with chemical ice packs on hand to chill medicine if the power goes out. The CDC's diabetes preparedness materials add a few more specifics worth copying for any chronic condition, not just diabetes:

• A basic supply kit: one gallon of water per person per day for at least 3 days, a 3-day supply of nonperishable food, a battery-powered or hand-crank radio, a flashlight, a first aid kit, and extra batteries.

• A waterproof, sealed bag holding your medication list, plus the names of your pharmacies and doctors.

• Medical ID jewelry or a card in your wallet so responders know about your condition even if you can't tell them.

• If you use a pump or powered device, the manufacturer name and model number written down, plus extra batteries in a waterproof bag.

You can see the full discussion guide at the CDC's New Beginnings emergency preparedness lesson. Even if you don't have diabetes, the checklist applies to almost any chronic condition that depends on daily medication or a powered device.

How do you keep insulin cold during a power outage?

Insulin can be kept unrefrigerated between 59°F and 86°F for up to 28 days and still work, according to the FDA, but it should never be frozen and should go back in the fridge as soon as one is working again. The FDA's guidance on insulin storage in an emergency lays out the specifics: unopened insulin normally needs refrigeration at 36°F to 46°F to stay potent until its printed expiration date, but vials or cartridges, opened or unopened, can handle room temperature between 59°F and 86°F for up to 28 days. Insulin that's been diluted or removed from its original vial should be used within 2 weeks. If you're using an insulin pump, the insulin in the tubing and reservoir should be replaced after 48 hours, or sooner if it's been exposed to temperatures above 98.6°F.

The FDA is direct about the tradeoffs: insulin loses effectiveness the longer it sits in extreme heat, and the longer that exposure lasts, the weaker it gets. That can mean losing control of your blood sugar over time, even if the insulin still "works" in a technical sense. So the goal is to keep it as cool as possible, never let it freeze, and swap in fresh insulin the moment properly refrigerated supply is available again. This is exactly why a small insulated cooler pouch with reusable ice packs, packed and ready before you need it, is worth the shelf space.

Do inhalers expire, and can you still use one that has?

Yes, inhalers do expire, usually about a year after they're first opened or removed from their foil packaging, and while they're generally still usable for a while past that date in a genuine emergency, potency drops off and you should replace them as soon as you can. Storage matters just as much as the date: keep inhalers at room temperature, roughly 68°F to 77°F, and away from humidity, since heat and moisture speed up the breakdown of the medication. Research on this is actually more reassuring than most people expect. One 2022 study found that albuterol inhalers retained more than 90% of their potency 15 years past their expiration date, though researchers note more study is needed before anyone should rely on that as a rule.

The Allergy and Asthma Network's guidance on expired medications is more cautious, and for good reason: an expired inhaler may deliver a weaker dose than the label promises, which matters a lot during an actual asthma attack. Their bottom line is to treat an expired inhaler as a last resort in a true emergency, not a routine backup plan. If you ever do have to use one past its date, treat it as a stopgap, and get a fresh replacement and medical follow-up as soon as you're able.

What if you can't refill a prescription during a disaster?

Keep a written list of every medication you take, including dosage and diagnosis, because pharmacies affected by a disaster can often work from that list even without your usual records on file. According to Ready.gov, this list should include your diagnosis, dosage, frequency, medical supply needs, and allergies. It's also worth calling your insurance company ahead of time, before disaster season or a known risk period, to ask about getting an emergency backup supply of your medication. Many insurers will authorize an early refill for people who rely on maintenance medications when a state of emergency is declared, but that's much easier to arrange before you're in the middle of one.

How much medication belongs in an emergency kit for chronic medical conditions?

Aim for at least a week's worth of every prescription medication and medical supply, kept separately from your everyday supply so you're not tempted to dip into it. This backup batch should get rotated regularly, since medications do expire, and an emergency kit full of expired pills defeats the purpose. A simple system works well: when you pick up a new prescription, move the oldest bottle from your kit into daily use and replace it with the fresh one. That way your backup stock is never more than a few months old.

For insulin specifically, that means a spare, unopened supply stored properly in the refrigerator, plus your cooler and ice packs ready to go if the power fails. For inhalers, it means an extra one in date, stored at room temperature, separate from the one you use daily. For any other daily medication, from blood pressure pills to seizure medication, the same rule applies: a real, rotated backup supply beats scrambling during an actual emergency.

What extra steps do people with diabetes or asthma need to take?

People managing diabetes should also pack fast-acting sugar, like glucose tablets or juice, for treating low blood sugar, along with extra testing supplies and a plan for insulin pump batteries. The CDC's diabetes preparedness guide specifically recommends always having glucose tablets or juice with sugar on hand to treat low blood sugar, wearing a medical ID, and keeping extra batteries for an insulin pump in a waterproof bag. For people with asthma or severe allergies, that means a spare rescue inhaler, any prescribed allergy medication, and, if you carry one, a spare epinephrine auto-injector. On that last point, one study found epinephrine auto-injectors kept about 84% of their potency 4 years past expiration, but because a full dose matters so much in a severe allergic reaction, replacing these on schedule is not the place to cut corners.

Frequently asked questions

How long can insulin stay unrefrigerated in an emergency?

Up to 28 days at a temperature between 59°F and 86°F, according to the FDA, as long as it hasn't been frozen. It should be replaced with properly refrigerated insulin as soon as that's available again.

Can you use an expired inhaler if it's an emergency?

In a genuine emergency with no other option, most guidance says yes, but treat it as a temporary stopgap. Potency fades over time, so get a fresh inhaler and medical follow-up as soon as you can.

How much backup medication should I keep in an emergency kit?

At least a week's supply of every prescription medication and related medical supply, stored separately from your everyday supply and rotated regularly so it doesn't expire unnoticed.

What temperature range is safe for storing insulin normally?

Unopened insulin should be refrigerated at about 36°F to 46°F to stay potent until its expiration date, per FDA product labeling guidance from U.S. insulin manufacturers.

Should I freeze insulin to keep it cold longer during a power outage?

No. The FDA is clear that insulin should never be frozen. If it freezes, it should be discarded, since freezing damages the medication.

What should be on my written medication list for emergencies?

Your diagnosis, every medication and its dosage and frequency, medical supply needs, allergies, and the contact information for your pharmacy and doctors, kept in a waterproof, sealed bag.

Sources: FDA: Insulin Storage in an Emergency, CDC: New Beginnings Emergency Preparedness, Ready.gov: Tips for Medications, Allergy and Asthma Network: Expired Medication Risks.

You never know, but you can always be ready.

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• Medical supplies are one part of the bag. See the full 72-hour bug-out bag checklist for every family member.