Guide · Lumps after filler
Filler lumps and nodules: what kind of lump it is, and why that decides the treatment
A lump after filler can be harmless swelling that settles in days, misplaced gel that needs dissolving, an inflammatory reaction that appears years later, or rarely an infection. They can feel alike under the fingers but are treated very differently, so the first job is working out which one you have.
Written & medically reviewed by Dr Sin Yong · 9 October 2026
Quick answer
- Filler lumps fall into a few groups: early lumps from swelling or uneven placement in the first days or weeks; late nodules from a delayed inflammatory reaction, sometimes months or years later; rare foreign body granulomas; and lumps linked to infection or biofilm.
- Massage does not dissolve cross-linked filler. Gentle massage may be suggested by your doctor for a soft, early lump, but a red, hot, tender or growing lump should never be massaged, because it may be inflamed or infected.
- Hyaluronic acid (HA) lumps can be dissolved with hyaluronidase. Inflammatory or infected nodules may need antibiotics, steroid or drainage, and the choice and order are a doctor's decision after assessment, often with ultrasound. Non-HA fillers cannot be dissolved.
- At SkinRev Lab, CityLink Mall, and IN Eternity Clinic, Pacific Plaza, filler lumps are assessed by Dr Sin Yong, and any treatment is priced at consultation. Seek urgent care for spreading redness, fever, or pale or dusky skin.
Watch · Dr Sin Yong explains
The types
Filler lumps: four different problems
Doctors sort lumps after filler mainly by when they appear and whether they are inflamed. Non-inflammatory lumps usually appear early and are caused by the product or the injection itself. Inflammatory nodules, foreign body granulomas and infections tend to appear later and involve the body's response to the filler.
The material matters as much as the timing. A lump made of hyaluronic acid can usually be dissolved; a lump made of poly-L-lactic acid, calcium hydroxylapatite, polycaprolactone, PMMA or silicone cannot. If you do not know what was injected, that is the first thing to establish.
- Early lumps: within days to weeks; often firm but not red; usually swelling, a bruise or unevenly placed gel.
- Late inflammatory nodules: weeks to years later; may be red, tender, firm, and come and go.
- Foreign body granulomas: rare; months to years later; may appear in several treated sites at once.
- Infection or biofilm: can be early or late; redness, warmth, pain, sometimes pus or fever.
Early lumps
Early lumps in the first days and weeks
Some lumpiness in the first days is common. Injection causes swelling, small bruises can feel firm, and the gel itself has not yet settled into the tissue. Lips are especially prone to this, because they swell readily and the gel is placed in a small, mobile space.
A lump that is still clearly present after about two weeks, once swelling has gone, is more likely to be gel that was placed too superficially, in too large a deposit, or unevenly. It may be visible, especially when you smile, or felt as a bead or ridge.
A review of filler adverse events notes that early nodules made of HA resolve with hyaluronidase, which is why the material is the key question. If the lump is small and not bothering you, waiting and reviewing is also reasonable.
Late nodules
Late nodules and delayed inflammatory reactions
Late-onset reactions to HA filler are uncommon, but they are the reason a lump can appear long after a treatment that went smoothly. A 2024 consensus describes them as typically appearing about three to four months after injection, though sometimes as early as a day and sometimes years later.
They often present as firm, tender or red swellings, sometimes in more than one treated area at once, and can flare and settle. Reported triggers include viral illness, dental treatment and vaccination. The consensus proposes three possible drivers: properties of the filler itself, infection or dormant biofilm, and changes in the person's immune system.
These nodules are not simply too much filler, so dissolving alone may not settle them, and in some situations doctors prefer to wait or treat the inflammation first.
Granulomas
Foreign body granulomas
A granuloma is a cluster of immune cells that forms around material the body sees as foreign. A review of foreign body granulomas after injectable fillers estimated their incidence at between about 1 in 100 and 1 in 5,000 patients, depending on the product, and described them appearing several months to years after injection, often at all the injected sites at the same time.
Without treatment, granulomas may grow to the size of a bean, stay unchanged for years, and sometimes resolve on their own. The review noted that permanent fillers do not cause granulomas more often than temporary ones, but when they do, the granulomas are more pronounced and last longer.
Because granulomas can look like other lumps, confirming them may need imaging and, in some cases, examination of a tissue sample. Treatment is a specialist decision.
Infection and biofilm
Biofilm and infection
A biofilm is a community of bacteria that coats a surface and protects itself with a slimy layer, which makes it hard for antibiotics and the immune system to reach. Injected filler can become such a surface. In a 2024 study of 61 patients with late complications after filler at one hospital, the majority had nodules or chronic inflammation; seven tissue samples grew bacteria, including Staphylococcus aureus and a slow-growing mycobacterium, and the authors concluded that biofilm is a significant risk factor for late complications.
Infection is managed differently from other lumps. The 2024 consensus advises that infections need drainage, bacterial culture and antibiotics, and that hyaluronidase is not a first-line treatment for an infected lump. A review of filler adverse events also warns that infected areas should not be massaged, to avoid spreading infection.
Seek urgent care, by contacting your doctor the same day or going to A&E, if you notice any of the following.
- Redness that is spreading, with warmth and increasing pain.
- Pus, a fluctuant swelling, or fever and feeling unwell.
- Skin near a recent injection that turns pale, mottled or dusky.
- Any change in vision after filler, which is an emergency: call 995.
Massage
Should you massage a filler lump?
A common myth is that you can massage filler away. Cross-linked HA gel is designed to resist breakdown, and pressing on it will not dissolve it. Firm or repeated massage can also push filler into a neighbouring area or irritate tissue that is already inflamed.
There are narrow exceptions, and they come from the doctor, not from social media. Some doctors suggest gentle moulding of a soft, early lump in the first days after treatment. Some collagen-stimulating products come with their own post-treatment massage instructions, which are specific to that product and not a treatment for a later nodule. Doctors may also use firm massage as part of emergency treatment, which is not something to attempt at home.
If a lump is red, warm, tender, growing, or appeared weeks after treatment, leave it alone and get it assessed.
Assessment
How a filler lump is assessed
Assessment starts with history: what was injected, where and when, by whom, whether the lump appeared early or late, whether it changes, and whether anything such as an illness, dental work or a vaccine came before it. Bring any records you have.
Examination looks at size, firmness, tenderness, redness, warmth and whether other treated areas are affected. High-frequency ultrasound can show whether the lump is filler, swelling, a collection of fluid or something else, where it sits, and nearby blood vessels. Under ultrasound, hyaluronidase can be placed directly into an HA deposit.
If infection is suspected, a sample may be sent for culture. Occasionally, a lump that does not behave as expected needs a biopsy or referral to a dermatologist or plastic surgeon.
Treatment
Dissolving, antibiotics or steroid: a doctor's call
For a non-inflamed HA lump, hyaluronidase is usually the treatment. It is a prescription enzyme given by a doctor after assessment, usually works over one to three days, and may need repeating for older or larger deposits. Swelling and itch for a day or two are common, and allergy is possible, especially in people allergic to bee or wasp stings.
Inflamed nodules are less straightforward, and expert groups do not fully agree. One international panel favoured a course of antibiotics as first-line treatment for delayed inflammatory reactions, with hyaluronidase also widely recommended and steroids reserved for disfiguring or stubborn cases. A later consensus suggested hyaluronidase for non-inflammatory reactions, watchful waiting or steroid for inflammatory ones, and drainage, culture and antibiotics for infection.
The practical message is that the choice, order and duration of antibiotics, steroids and dissolving depend on what the lump is, and are a doctor's decision. Please do not start leftover antibiotics or steroid creams on your own.
Non-HA fillers
Lumps from fillers that cannot be dissolved
Poly-L-lactic acid, calcium hydroxylapatite, polycaprolactone, PMMA and silicone do not respond to hyaluronidase. Lumps from these materials are managed with time, medical treatment such as steroid injections given by a doctor, or, for persistent nodules, surgical removal. A review of filler complications notes that early nodules after a non-HA filler may respond to firm massage by the doctor, and stubborn ones to small injections of steroid.
Dr Sin Yong's Time Freeze Laser LCLR® protocol is described on drsinyong.com as being used for excess from non-dissolvable filler, with a Sculpting mode intended to take away excess. Evidence for lasers in filler nodules is limited, so this is considered case by case alongside the other options. Discrete, persistent nodules of permanent filler are often better assessed by a plastic surgeon.
At SkinRev Lab
Filler lumps assessed at SkinRev Lab
At SkinRev Lab, licensed by MOH as SkinRev Clinic, filler lumps are assessed by Dr Sin Yong, who performs all doctor-led treatments there. His approach is to image and assess earlier filler before anything is dissolved or added, to treat the layer that has actually changed, and always to include no treatment as an option.
At consultation he takes a careful history, examines the lump and the other treated areas, uses ultrasound where useful, and explains whether waiting, dissolving, medicine or referral fits. Treatment is priced at consultation, and individual results vary.
He sees patients at SkinRev Lab, #B1-28 CityLink Mall, 1 Raffles Link, linked underground to City Hall and Esplanade MRT and open daily 11am to 8pm (WhatsApp +65 8266 9585), and at IN Eternity Clinic, 9 Scotts Road, Pacific Plaza, Orchard (WhatsApp SkinRev Lab on +65 8266 9585 or IN Eternity Clinic on +65 8815 3008).
Sources
References & sources
- Funt D, Pavicic T. Dermal fillers in aesthetics: an overview of adverse events and treatment approaches. Clin Cosmet Investig Dermatol. 2013;6:295-316.
- Lemperle G, Gauthier-Hazan N, Wolters M, Eisemann-Klein M, Zimmermann U, Duffy DM. Foreign body granulomas after all injectable dermal fillers: part 1. Possible causes. Plast Reconstr Surg. 2009;123(6):1842-1863.
- Artzi O, Cohen JL, Dover JS, et al. Delayed inflammatory reactions to hyaluronic acid fillers: a literature review and proposed treatment algorithm. Clin Cosmet Investig Dermatol. 2020;13:371-378.
- Baranska-Rybak W, Lajo-Plaza JV, Walker L, Alizadeh N. Late-onset reactions after hyaluronic acid dermal fillers: a consensus recommendation on etiology, prevention and management. Dermatol Ther (Heidelb). 2024;14(7):1767-1785.
- Zhang YL, Sun ZS, Hong WJ, Chen Y, Zhou YF, Luo SK. Biofilm formation is a risk factor for late and delayed complications of filler injection. Front Microbiol. 2024;14:1297948.
- Signorini M, Liew S, Sundaram H, et al. Global Aesthetics Consensus: avoidance and management of complications from hyaluronic acid fillers. Plast Reconstr Surg. 2016;137(6):961e-971e.
- Schelke LW, Decates TS, Velthuis PJ. Ultrasound to improve the safety of hyaluronic acid filler treatments. J Cosmet Dermatol. 2018;17(6):1019-1024.
- Murray G, Convery C, Walker L, Davies E. Guideline for the safe use of hyaluronidase in aesthetic medicine, including modified high-dose protocol. J Clin Aesthet Dermatol. 2021;14(8):E69-E75.
Common questions
Your questions,
answered
Are filler lumps normal?
Some firmness or lumpiness in the first days is common and usually settles as swelling goes down. A lump still present after about two weeks, or one that appears weeks or months later, should be assessed.
Will filler lumps go away on their own?
Early swelling-related lumps usually do. Gel placed too superficially or unevenly can persist for a long time, and inflammatory nodules can flare and settle. Waiting is reasonable for a small lump that does not hurt, but a review helps decide.
Can I massage filler lumps away?
Massage does not dissolve cross-linked filler. Your doctor may suggest gentle moulding for a soft, early lump, but never massage a lump that is red, warm, tender or growing, as it may be inflamed or infected.
How are HA filler lumps dissolved?
With hyaluronidase, a prescription enzyme injected by a doctor into the lump after assessment, often under ultrasound guidance. It usually works over one to three days and may need repeating.
Why did a lump appear years after my filler?
Late nodules can come from a delayed inflammatory reaction, sometimes after an illness, dental work or a vaccine, or from biofilm or a granuloma. These are not simply too much filler and need a doctor's assessment.
Do filler lumps need antibiotics?
Sometimes. Antibiotics are used when infection or biofilm is suspected and are part of some expert approaches to inflammatory nodules. Whether you need them, which ones and for how long is a doctor's decision.
Can lumps from Sculptra or Radiesse be dissolved?
No. Poly-L-lactic acid and calcium hydroxylapatite do not respond to hyaluronidase. Options include waiting, steroid injections by a doctor, and in persistent cases surgical removal or other approaches considered case by case.
Is a filler lump dangerous?
Many are a cosmetic nuisance rather than a danger. Spreading redness, warmth, pus, fever, or pale or dusky skin near a recent injection need urgent care, and any vision change after filler is an emergency.
How much does it cost to treat filler lumps?
It depends on what the lump is, its size, how many areas are involved and whether more than one session is needed. At SkinRev Lab and IN Eternity Clinic, treatment is priced at consultation.