Med spa complications: what to do if a treatment goes wrong

With dermal fillers, the risk the FDA singles out is unintentional injection into a blood vessel.

The agency calls it rare but says the complications can be serious and permanent: tissue death (necrosis), vision problems including blindness, and stroke.

Seek immediate medical attention, the FDA says, if during or shortly after a filler procedure you have unusual pain, vision changes, a white, gray or blue appearance of the skin near the injection site, or any signs of a stroke — sudden difficulty speaking, numbness or weakness of the face, arm or leg, difficulty walking, face drooping, severe headache, dizziness or confusion.

White or gray skin near the site is the blanching sign: FDA guidance tells injectors to stop injecting at skin blanching, vision change, stroke signs or unusual pain, and to keep an updated plan for treating an intravascular injection, whether that is treatment on site or immediate referral.

After a botulinum toxin injection such as Botox, the FDA's April 16, 2024 counterfeit warning listed blurred or double vision, difficulty swallowing, dry mouth, shortness of breath, weakness and difficulty lifting the head.

The CDC's list from the 2023–2024 cases adds drooping eyelids, slurred speech, fatigue and generalized weakness.

Anyone with these symptoms after a botulinum toxin injection should contact a health care professional or go to the emergency room, the FDA says.

Energy devices carry burn risk of their own.

On October 15, 2025, the FDA warned that burns, scarring, fat loss, disfigurement and nerve damage, sometimes needing surgical repair, had been reported with RF microneedling used for aesthetic skin procedures.

A 2023 review of laser and IPL hair-removal adverse events likewise lists burns among the skin complications, mostly linked to skin type, body area, device and settings.

If skin looks burned or blisters after an energy treatment, contact the provider who treated you and seek medical care.

For anything that is not on the emergency list, the first call is to the practice that treated you.

Describe your symptoms, ask to speak with the medical director or the supervising physician, and ask for the details of your record in writing.

There is a reason that call goes up the chain.

AmSpa, the med spa trade association, describes injecting botulinum toxin as the practice of medicine: a prescription drug is used on living tissue, so it must be done by a physician, an independent-practice nurse practitioner or another licensed professional working within their scope, under rules that vary by state.

AmSpa says the medical director is responsible for all medical decisions in a med spa — decisions that are often delegated day to day, but as AmSpa puts it, "the buck stops with the medical director."

The FDA's advice after the counterfeit Botox warning fits here too: confirm with your provider that the product came from an authorized source, and ask whether the person who treated you was licensed and trained to give it.

The FDA's wording draws the line.

For the filler signs — unusual pain, vision changes, white, gray or blue skin near the site, stroke signs — the agency says to seek immediate medical attention.

For the toxin symptom list, it says to contact a health care professional or go to the emergency room.

Neither phrase means waiting for the practice to return your call.

On the specialist question, we did not find guidance that names a specific type of surgeon for filler emergencies.

What the FDA does say, in its advice on choosing a filler provider, is that experience in dermatology or plastic surgery matters.

If you go to an emergency room, bring what you have: the treatment date, the product name and lot if you know them, and your photos, so the treating team knows what was injected and where.

It is also fair to ask the practice what its plan was.

FDA guidance expects injectors to hold an updated plan for treating an intravascular injection — treatment on site and/or immediate referral.

Asking what the plan is, and who the practice refers to, is a reasonable question for anyone who has had a filler injected.

Photos, records and messages are your evidence of what happened, and they are the hardest to reconstruct later.

Whichever way a problem plays out — a different provider weighing a correction, a complaint to a state board, a conversation with an attorney — each of those runs on your documentation.

Take dated photos of the area as it changes.

Keep the receipt, any consent or aftercare forms you signed, and the full thread of messages with the practice, and write down who you spoke to and when.

The product itself matters more than anything.

FDA's signs for spotting the 2024 counterfeit Botox were package details: the counterfeit carried lot number C3709C3 on carton and vial, listed the ingredient as "Botulinum Toxin Type A" instead of "OnabotulinumtoxinA," and came in a 150-unit vial, a size AbbVie/Allergan does not make.

Genuine Botox Cosmetic comes in 50- and 100-unit vials.

FDA said the incidents involved injections by licensed and unlicensed individuals, in some cases in non-medical or unlicensed settings, with products that appear to have been bought from unlicensed sources; federal law requires providers to buy prescription drugs only from authorized sources.

If your record does not name the product and lot, ask the practice for them in writing.

Not every outcome that feels wrong is a medical problem.

A Botox result you dislike is on a clock: the Botox Cosmetic label gives approximately 3 to 4 months of effect for frown lines — the only area the label states a duration for.

A symptom from the emergency list above is not something to wait out.

For a filler result that is wrong — too much, lumpy, or placed badly — the reversal tool for hyaluronic-acid fillers is hyaluronidase.

The Hylenex label approves it to increase the dispersion and absorption of other injected drugs and for subcutaneous fluid administration; dissolving filler is an off-label use, though it is the standard reversal tool injectors reach for.

What the label does not do is approve hyaluronidase for filler reversal, and we found no federal rule requiring a med spa to stock it — both worth asking about before you book a correction.

Our filler dissolving guide covers how the procedure works, what it costs and who performs it.

Corrections are treatment-specific, too.

Lips in particular have their own timelines and pitfalls, and our lip filler guide covers swelling stages, migration and what is normal there.

On money: MedSpaStandard could not confirm any standard refund rule that applies after a complication, so treat the refund as a question to put to the practice in writing, with your documentation attached.

Ask what the practice proposes for correction, and get any agreement in writing before further treatment.

Two tracks exist beyond the practice itself: regulators and the law.

On the regulator side, the FDA asks consumers to report suspected counterfeit products to the agency and to file adverse-event reports through its MedWatch program.

State oversight decides the rest.

There is no federal law that defines a "med spa," and whether one is regulated as a medical practice — and who may own it — is determined by each state's medical-practice, nursing and corporate-practice rules; AmSpa's own framing is that med spas "are medical practices."

Because that varies by state, the office that takes a complaint depends on where you live: your state medical board, board of nursing or attorney general are the offices to look for.

State attorneys general have a role here too: Ohio's attorney general, for one, sued a med spa company under the Ohio Consumer Sales Practices Act, alleging unsubstantiated weight-loss claims for a "LipoLaser" service and ads claiming "licensed" and "certified" technicians the company did not employ.

Those are allegations from the lawsuit, not findings.

On the legal track, whether a bad outcome supports a claim depends on what happened and on your state's law.

There is no single medical-malpractice statute of limitations in the United States: limitation periods and discovery rules are set by each state, which is why the advice is to consult a local attorney promptly if you think you have a claim.

Whoever corrects the work, the choice of provider deserves more scrutiny the second time.

For fillers, the FDA advises choosing a licensed provider experienced in dermatology or plastic surgery and trained to inject fillers, who uses properly labeled, sealed vials or pre-filled syringes of FDA-approved filler.

The agency says not to buy fillers sold directly to the public, not to self-inject, and notes that needle-free filler "pens" are not FDA-approved.

The only FDA-approved fillers are prescription products injected by a licensed professional with a needle or cannula, and no injectable filler or silicone is approved for body contouring or enhancement of the breasts or buttocks.

For botulinum toxin, the CDC's advice is blunt: get injections only if the product comes from an authorized supplier and the provider is licensed and trained to give it — "If in doubt, don't get the injection." Our guide to how to choose a med spa walks through credentials, oversight and the questions to ask before you book anything.