First Aid Kit Expiry Dates: What Actually Expires?

First aid supplies explained

Do bandaids expire? What about saline, sterile dressings or first aid scissors? The short answer is that the contents of a first aid kit don't all have the same shelf life.

Do first aid kits expire?

That distinction matters when a kit has been sitting in a vehicle or workshop for several years. The question isn't simply whether it was purchased in 2022 or 2025. It is whether each supply is within its stated shelf life, has been stored appropriately and remains in usable condition.

You'll sometimes see a date on an outer box or bundled pack. Don't assume that date applies identically to every component. Check the packaging of individual products, particularly items that may have been added during previous refills.

Usually it's the supplies inside the kit that have expiry dates, rather than the bag itself. Products may have been manufactured at different times, so a packet of sterile gauze, a saline bottle and a burn gel sachet can all have different dates.

There's no need to assume the entire kit becomes unusable on one date. The important part is identifying which individual items are still suitable.

Which first aid supplies have expiry dates?

Sterile wound dressings, gauze and eye pads

For sterile supplies, the sealed wrapper is a critical part of the product. A dressing that's still within date but has a split seam or punctured packet should not be treated as a sealed sterile dressing. That's easy to miss when packets have spent months rubbing against tools or other kit contents.

Look at the seal edges as well as the printed date. If you're uncertain whether the sterile barrier is intact, replace the item rather than relying on appearance alone.

These commonly carry manufacturer expiry dates. Their sterile packaging matters too: if a packet is torn, punctured, opened or wet, don't rely on it simply because the printed date hasn't passed.

Saline and eyewash

Don't judge saline by whether the liquid looks clear. The manufacturer sets an expiry date for the unopened product under specified storage conditions, and a damaged container can make that product unsuitable sooner. Worksite kits should also be checked for crushed ampoules and bottles whose caps have loosened in transit.

Packaged saline products generally have expiry dates. Check for leaks, broken seals and damage to bottles or ampoules. Replace products that have expired or are no longer sealed as intended.

Burn gels and burn dressings

These are worth reviewing individually because packaging sizes and product formulations differ. Some products are in small sachets, others in sealed dressings, and their storage instructions may not be identical. Follow the label rather than assuming every burn-care product shares a standard shelf life.

Burn care products can have specific shelf lives and storage instructions. Small sachets are easy to overlook at the bottom of a compartment, so look at each label rather than assuming unopened means usable.

Bandaids and wound closure strips

For tradies, adhesive performance matters. Dust, sweat and regular movement can already make dressings harder to keep in place. A packet that's been exposed to unsuitable storage conditions adds another reason to check that the product remains in good condition.

It's sensible to replace visibly deteriorated adhesive supplies even if the label date hasn't yet passed. Also inspect individual wrappers for tears or contamination.

Adhesive products may have expiry dates and can lose adhesion with age or unsuitable storage. A bandaid that won't stick, or whose wrapper is damaged, should be replaced regardless of its date.

Gloves, wipes and other consumables

Some gloves have expiry dates printed on their original boxes, which may be discarded when they're transferred into a first aid bag. Where possible, retain the relevant product information or record it when kits are stocked. Check gloves for visible deterioration, damage and cleanliness too.

Cleaning wipes and other sealed consumables may dry out, leak or have manufacturer-specified shelf lives. Don't keep an item simply because it hasn't been used.

Some disposable gloves, wipes and other supplies also have manufacturer shelf lives. Check the individual pack: there isn't one expiry rule that applies to every item in every kit.

Do bandages expire?

For example, a sterile bandage or specialised pressure dressing may have a dated sterile pack, whereas a basic non-sterile bandage may have different requirements. The description of the product matters more than the broad word “bandage”.

If a bandage is dirty, wet, damaged or has been removed from protective packaging, assess whether it's still suitable. For snake-bite pressure immobilisation bandages, follow the particular manufacturer's instructions and replace products that are damaged or otherwise unsuitable.

It depends on the product. Some bandages are sterile or carry a manufacturer expiry date. Other non-sterile bandages may instead be assessed primarily for cleanliness, physical condition and packaging integrity. Follow the information supplied with the particular bandage.

Do scissors and tweezers expire?

Check whether scissors open smoothly and cut as intended. Inspect tweezers for misaligned tips and both tools for signs of corrosion. The bag, its zips and internal compartments also deserve attention because they protect the medical supplies, even though they don't generally have a printed medical expiry date.

Reusable first aid scissors and tweezers don't necessarily carry an expiry date. But rust, damaged tips, contamination or poor cutting performance can make them unfit for use. Inspect them rather than assuming they'll last forever.

Can supplies become unsuitable before their expiry date?

Why storage conditions matter

A first aid kit can travel in a work vehicle through hot weather, spend a day beside a dusty work area or sit in a damp storage space. Those conditions don't automatically mean every item must be discarded, but they are reasons to inspect packaging and follow each manufacturer's storage requirements.

In particular, check for watermarks, powder or debris inside compartments, sticky residue from leaking products and faded or unreadable labels. If you can't establish whether a dated product remains suitable, don't rely on it for future workplace first aid.

Yes. A torn sterile wrapper, moisture inside a pack, a leaking liquid container or visible contamination are all reasons to review a product before its marked date. This matters especially for kits carried in dusty worksites and hot vehicles.

What should you do with expired supplies?

Work through the kit one section at a time. Set aside any products that are expired or no longer suitable, note their names and quantities, then restock the relevant compartments. Check the replacements' own expiry dates before packing them away.

There's no need to replace reusable scissors or a sound first aid bag solely because a saline bottle has expired. The goal is a complete, suitable and serviceable kit—not replacing everything on the same timetable.

Remove and replace expired items during routine kit maintenance, following product-specific instructions. If the bag and reusable equipment remain suitable, you may only need to replenish the consumables.

For when and how to check a workplace kit, see our separate guide to first aid kit inspection and restocking, or use the free inspection checklist.

General information only. Follow manufacturers' expiry dates, storage conditions and use instructions. Workplace first aid requirements vary with the hazards and jurisdiction.