Foundations

After dermal filler: swelling, bruising and lumps, what is normal and what is not

Dr Ong Jin Khang · MMC 45245 · LCP holder · The Retreat Clinic, Setia Alam

Swelling, tenderness, bruises and small firm lumps are expected after filler and usually settle within days to a few weeks; white, grey or blue skin, worsening pain or a change in vision is an emergency. In lip trials swelling was recorded in 78% of people, firmness in 48% and bruising in 34%, and symptoms typically lasted up to a week. A published consensus calls lumps or firmness for up to four weeks normal and advises against massaging unless the injector says so. Late lumps are covered in a separate article.

Watercolour of a folded pale blue towel with ice cubes and a sprig of chamomile

Most signs settle, a few cannot wait.

How long do swelling and bruising last after filler?

Swelling and bruising are expected, and they usually settle within days to a few weeks. The US Food and Drug Administration says they occur shortly after injection and many resolve in a few days to weeks. In a 48-week lip trial, the symptoms people logged in daily diaries typically lasted up to seven days, and treatment-related events overall resolved with a median of about two weeks (Weiss and colleagues, 2021).

Swelling is the event recorded most often in lip trials: 78% across 16 randomised trials, with firmness in 48%, bruising in 34% and tenderness in 33% (Wen and colleagues, 2026). Bruising figures vary between studies, from 8% in the trial above to 34% in the pooled analysis, partly because studies record it differently. The trials report how long symptoms last and not the day swelling peaks, so this article does not name a peak day. The page on lip filler covers the lips in more detail.

What helps bruising, and what does not?

Preparation matters more than anything afterwards. A bruise is bleeding under the skin, and the article on blood thinners, fish oil and supplements before injections explains what to tell the doctor and why a prescribed medicine is never stopped on your own.

After treatment the evidence is thin. A 2020 consensus of four authors does not recommend icing straight after injection, because cold can mask the early signs of a blocked vessel, although it accepts that ice may reduce bruising. For arnica, the one randomised trial read used a 20% ointment on small laser-made bruises on volunteers' arms and found it improved them more than white petrolatum (Leu and colleagues, 2010). Laser bruises are not filler bruises, so that result is only a hint. A bruise is also a reason to look at it: the consensus lists an unusual or worsening bruise-like patch within 24 hours as a concern to report.

Are small lumps after filler normal?

Yes, small lumps and firmness in the first days to weeks are common. The consensus says it is normal to feel some lumps or firmness for up to four weeks. In the lip trial, injection-site masses were recorded in about one person in ten and nodules in 5 to 7%, mostly mild, and treatment-related events had a median duration of about two weeks (Weiss and colleagues). Across 16 lip trials, firmness was reported in 48% (Wen and colleagues).

The consensus also asks patients to report nodules promptly, immediate or delayed, because they may come from placement, infection or a reaction to the material, and the right treatment differs for each. A lump that is growing or increasingly painful is a reason to contact the doctor and not to wait.

Should you massage a lump after filler?

Not unless the doctor who treated you says so. The consensus suggests avoiding massaging or rubbing the face, and sleeping face-down, for a week. Patients may massage after two weeks, it says, but it is preferable for the injector to address any irregularity at follow-up. Gentle massage by the injector, during or after treatment, is one way to smooth a lump and spread the gel evenly. That is a technique for the doctor and not a home routine.

What aftercare advice is there, and how strong is the evidence?

Most aftercare advice is sensible habit and not tested. The same consensus lists general advice and labels it non-evidence-based: no make-up for two hours, no strenuous activity for 24 hours, no sleeping face-down or rubbing the face for a week, and no massaging for two weeks. It also asks that patients be given an after-hours contact for questions. Your own doctor's written instructions come first, since the product, the area and the technique differ.

Swelling and bruising can last a week or two, which is worth knowing before booking around a wedding or event. The article on how far ahead to plan a treatment before an event sets out the published timelines.

Which signs after filler are not normal?

Some signs point to a blocked blood vessel, which is an emergency. The chance of this is low, according to the US Food and Drug Administration, but the complications include tissue death, blindness and stroke. It advises immediate medical attention for unusual pain, vision changes, or a white, grey or blue appearance of the skin near the injection site, and for signs of a stroke: sudden difficulty speaking, numbness or weakness in the face, arms or legs, difficulty walking, a drooping face, a severe headache, dizziness or confusion.

The 2020 consensus adds that blanching, including a lacy, mottled pattern called livedo reticularis, is an early sign of arterial occlusion. Its list of concerns also includes pain that increases the day after injection, and pustules or blisters within three days.

Contact the treating doctor straight away, and if you cannot reach one at once, go to an emergency department and say you have had filler. Do not wait for a message to be answered, and do not wait to see whether it settles. Reviews describe outcomes ranging from skin necrosis to blindness and stroke (Soares and colleagues, 2024) and immediate high-dose hyaluronidase for these emergencies (Kroumpouzos and Treacy, 2024). The full picture of how and where this happens is in dermal filler risks.

What about lumps or swelling that appear later?

Side effects can appear weeks, months or years after filler, the US Food and Drug Administration notes. In the lip trial, events starting 21 days or more after treatment were reported in 5% and 6% of the two groups, all mild or moderate and resolved or stable (Weiss and colleagues). Why that happens and what a doctor can do, including dissolving the gel, is covered in filler gone wrong: lumps, late swelling and dissolving.

Most of what happens in the first two weeks is the body responding to a needle and a gel, and the skill lies in knowing the few signs that are different.

Common questions

How long does swelling last after filler?

Usually days to a few weeks. The US Food and Drug Administration says swelling and bruising occur shortly after injection and many resolve in a few days to weeks. In a 48-week lip trial, the symptoms people logged in diaries typically lasted up to seven days, and treatment-related events overall resolved with a median of about two weeks.

Are lumps after filler normal?

Small lumps and firmness in the first weeks are common. A published consensus calls some lumps or firmness for up to four weeks normal, and a meta-analysis of 16 lip trials recorded firmness in 48% of people. A lump that grows, becomes painful or appears after the first weeks should be shown to the doctor, because it may come from placement, infection or a reaction to the material.

Should I massage a lump after filler?

Not unless the injector tells you to. The consensus advises avoiding massaging or rubbing the face for a week, says patients may massage after two weeks but that it is preferable for the injector to deal with any irregularity, and describes gentle massage by the injector as a way to smooth a lump.

How do I reduce bruising after filler?

The evidence is thin. Telling the doctor about every medicine and supplement beforehand matters more than anything afterwards. The consensus does not recommend icing straight after injection, because cold may hide early signs of a blocked blood vessel. The one arnica trial read tested a topical ointment on laser-made bruises and not on filler bruises.

What are the signs of a blocked blood vessel after filler?

Skin that turns white, grey or blue or looks blanched and lacy, pain that is unusual or getting worse, and any change in vision. Signs of a stroke also need urgent care. This is an emergency: contact the treating doctor at once, and go to an emergency department if you cannot reach one straight away.

If you need more information, you can always contact us.