Vascular Occlusion After Filler: Signs and What to Do

"I keep seeing people online talking about vascular occlusion after filler. How would I actually know if it was happening to me, and what should I do?"

It is a fair question, and the online chatter has made a lot of people nervous about it. Vascular occlusion is rare, but it is one of the filler complications that needs to be taken seriously. It is the reason filler should never be thought of as "just a beauty treatment", when in fact it is a medical procedure, so the person treating you needs to know how to recognise and manage complications straight away.

Vascular occlusion is when filler blocks blood flow in a blood vessel, leading to compromise of the tissue the vessel supplies, and in extremely rare cases it can affect vision. Early recognition is key. The sooner a true vascular occlusion is identified and managed, the better the chance of re-establishing blood supply.

After filler treatment some tenderness, swelling and bruising are normal. What is not normal is severe or increasing pain, skin that turns pale or white, a dusky purple or mottled, lace-like discolouration, skin that feels cool, blisters, pustules or an area that does not pink back up when you press it.

A vascular occlusion can happen during treatment, soon after treatment, or several hours or days later, sometimes after you have already left the clinic. That is why aftercare instructions are important and not something to lose in your handbag.

If anything looks or feels wrong, always contact the clinic that treated you immediately rather than waiting until the next day to see how it goes. Send clear photos in good light and describe exactly what you are feeling, as that helps your clinician act quickly. If you have any vision symptoms after filler, such as blurred vision, loss of vision, double vision, eye pain, or a severe headache, seek urgent medical attention and tell your injector straight away.

Hyaluronic acid fillers can be dissolved with an enzyme called hyaluronidase, which is only stocked by injectors and not routinely stocked by the hospital, so it is important to see an injector you trust. It is worth asking what their clinical training and registration is, whether they keep hyaluronidase on site, and what is their plan if a complication occurs, and how would you reach them after hours? A confident clinician will welcome those questions.

So, to answer your question directly: know the signs, but do not let them put you off. Choose your injector carefully before anything goes wrong, ask them how they manage risk, keep their after-hours contact handy, and take your aftercare seriously. This combination is what keeps you safe during the filler experience, which should be an enjoyable one, rather than a scary one.

Quick Answers

What is a vascular occlusion after filler?

A vascular occlusion happens when filler blocks blood flow in a blood vessel. This compromises the tissue that vessel supplies and, in extremely rare cases, can affect vision. It is rare but serious, which is why filler is a medical procedure, not just a beauty treatment.

What are the warning signs of vascular occlusion?

Severe or increasing pain, skin turning pale or white, dusky purple or mottled lace-like discolouration, cool skin, blisters or pustules, or an area that doesn't pink back up when pressed. Mild tenderness, swelling and bruising are normal. These warning signs are not.

How soon after filler can a vascular occlusion happen?

It can occur during treatment, soon after, or several hours to days later, sometimes after you have already left the clinic. That is why aftercare instructions matter and why you should keep your injector's after-hours contact handy.

What should I do if I think I have a vascular occlusion?

Contact the clinic that treated you immediately rather than waiting until the next day. Send clear photos in good light and describe your symptoms. If you have any vision changes, eye pain or severe headache, seek urgent medical attention and tell your injector straight away.

Can vascular occlusion be treated?

Yes. Hyaluronic acid fillers can be dissolved with an enzyme called hyaluronidase, which injectors keep on site but hospitals do not routinely stock for this purpose, so your treating clinic is your first call. Early treatment gives the best chance of restoring blood supply.

How do I choose a safe filler injector?

Ask about their clinical training and registration, whether they keep hyaluronidase on site, their plan if a complication occurs, and how to reach them after hours. A confident clinician will welcome these questions.

If you have a question for Dr. Heather you would like answered anonymously, please email askdrheather@allor.co.nz.

Written by Dr. Heather Anderson, MBChB, BSc, FRNZCUC, PGDip Cosmetic Medicine, NZSCM | ALLOR Cosmetic Medicine, Auckland

Dermal Filler, Medical Device Class III to smooth facial wrinkles and folds, correct facial atrophic scars, restore or enhance the lips or restore facial volume. Dermal filler has risk and benefits. Ask your doctor if dermal filler is right for you.  For product information check with your doctor or from product details with the supplier.