Every practice that injects hyaluronic acid filler is told to have an emergency kit. Most have something in a drawer. Fewer have thought about what each item is actually for, and a surprising number are missing the one thing that resolves the problem rather than supports the patient through it.
There is a story I tell in class that makes the point better than a list does.
The one item people leave out
We give students a thorough emergency list. One came back having bought it.
“I got everything on the list,” he said, “but I didn't get that thing with the H, because it was expensive.”
The thing with the H is hyaluronidase. It is the only item on the list that reverses the problem. Everything else manages symptoms while you do that.
The purchase decision is understandable — it is the costliest line and the one most likely to expire unused. It is also the line that determines whether an occlusion in your chair is an event you manage or an event that manages you. If you have nothing else, have that.
What the kit is actually for
Split the contents into two jobs and the list stops looking arbitrary.
Things that resolve the problem. Hyaluronidase, and only hyaluronidase. It degrades hyaluronic acid, which is what is obstructing the vessel. Nothing else in the drawer does that.
Things that support the patient or the tissue while you work. Vasodilators, warm compresses, aspirin, oxygen-carrying support, anaphylaxis treatment. These are real and they matter. They are also adjuncts. As I put it in class: the nitroglycerin ointment, the warm compresses, all those things are to help us. They do not resolve the issue.
A kit stocked entirely with the second category is a kit for a problem you cannot fix.
The stock list
What we keep, and why:
- Hyaluronidase — in quantity. Not one vial. A single occlusion can consume far more than clinicians expect, because the endpoint is clinical rather than a fixed dose.
- Epinephrine, multiple auto-injectors. For anaphylaxis, which can follow any injectable including the hyaluronidase itself. Having it expire unused is the desired outcome.
- Albuterol for bronchospasm.
- Diphenhydramine and prednisone for allergic and inflammatory response.
- Nitroglycerin paste or tablets as a vasodilator adjunct.
- Aspirin.
- Warm compresses. Unglamorous, free, and genuinely useful.
- A documented emergency plan naming who does what, and the phone numbers you would need under pressure.
Some practitioners also keep sildenafil as an additional vasodilator. Opinions differ on several of the adjuncts, and that is fine — the adjuncts are where reasonable clinicians disagree. The hyaluronidase is where they do not.
Quantity is the part people underestimate
One vial is not a supply. It is a gesture.
Because you treat until a clinical endpoint — capillary refill returning, pain subsiding — rather than to a predetermined dose, consumption is unpredictable. A single significant event can exhaust a small stock, and you cannot buy more at short notice. As Dr. Jennifer Thomas-Goering puts it, you cannot run out to the drugstore and buy more.
I keep a dozen vials behind the desk, partly because I run trainings and host students in my office, and I have told nearby practices that they can call on me. That is a deliberate arrangement rather than an accident of ordering, and it is covered in the solo injector's mutual-aid plan.
Why the emergency department is not your backup plan
The assumption that a hospital can take over is the most dangerous item missing from most kits, because it is invisible.
Emergency departments do not routinely stock hyaluronidase. Sending a vascular occlusion to one produces a different workup and a different outcome than sending it to a colleague who has the enzyme and knows what they are looking at. The referral pathway you need is a local injector, not a hospital.
Expiry, checking and the drill
A kit is a process, not a purchase.
- Assign an owner. One named person checks it on a set schedule.
- Check expiry dates monthly and reorder before, not after.
- Keep it in one place that every staff member can find without asking.
- Rehearse. Run the drill when nothing is wrong. Staff who have practised retrieving and preparing the kit perform very differently from staff reading a label for the first time under pressure.
- Include the non-clinical staff. The person at the front desk may be the first to see a patient who has returned looking unwell.
The cost argument, answered plainly
Hyaluronidase is an expense that mostly expires unused. So is every other form of insurance.
The alternative position is that you inject a product capable of causing tissue necrosis while lacking the only agent that reverses it. That is not a cost saving; it is an uninsured risk carried by the patient. A practice that cannot afford to stock hyaluronidase in quantity has a pricing problem, not a purchasing one.
Related guides in this cluster
Part of Vascular Occlusion: Recognition and Response.
Clinical GuideThe Expected Filler Injection Response — Building the Baseline That Lets You Recognize IschemiaThe expected filler injection response — erythema, edema, ecchymosis — and how a trained normal baseline makes early ischemia recogniza
Clinical GuideThe Golden Triangle — Why the Filler Deposit Site Isn't Where You Put the Needle InThe filler deposit site sits at the needle tip, not the entry point — about half an inch away, further with a cannula. Why that gap dec
Clinical GuideImmediate, Early and Late — The Three Windows of Vascular Occlusion OnsetVascular occlusion onset is not one moment. Organize the picture into immediate, early and late windows — detection runs days past the
Train with Empire
This guide is clinical education. The technique behind it is taught hands-on, on live patients, with faculty beside you.
Explore Complete Dermal Filler Training →Disclaimer
This article reflects the clinical opinions and experience of Michelle Langston, APRN, MSN, FNP-BC, HHN-BC, an independent faculty member contributing to Empire Medical Training's curriculum. The views expressed are the author's own and do not necessarily represent those of Empire Medical Training.
It is professional education, not medical advice, and is no substitute for hands-on training or independent clinical judgment. Licensed clinicians remain responsible for their own patient selection, technique and outcomes, for verifying current product labelling, and for practising within their scope and applicable law. Empire Medical Training accepts no liability for reliance on this content.
Claim Your Prize!