Correction Mechanics

Lumps, Bumps and Irregularities After Filler: When They Appear and What to Do

Lumps and irregularities can appear after filler, particularly in the first two weeks. Some are temporary; others persist. Understanding which is which determines whether intervention is needed and when to intervene.

Quick summary

Lumps, bumps, and irregularities after filler treatment are common concerns and span a wide range of causes, time courses, and clinical significance. Most early irregularities are expected transient responses, swelling, bruising, and normal product settling, and resolve without intervention. Persistent or late-onset irregularities warrant clinical assessment. This page was prepared by Corey Anderson, Registered Nurse (AHPRA NMW0001047575) at Core Aesthetics, Oakleigh, Melbourne. A consultation is required to assess any specific post-treatment concern.

Is this for you?

Consider booking a consultation if

  • Patients with post-filler concerns looking for clinical clarity on what they are experiencing
  • Patients considering correction or dissolution and wanting to understand the options
  • Patients preparing for a correction consultation who want to arrive informed

This may not be for you if

  • This is educational content and does not replace a clinical consultation
  • Patients under 18
  • Patients seeking medical emergency advice

Suitability is confirmed at consultation. This list is general guidance, not a substitute for clinical assessment.

Frequently asked questions

What is lumps bumps after filler?

Why do lumps and irregularities appear after filler? A clinical guide to early vs persistent irregularities and when to intervene.

Is this a common concern after filler?

Post-filler concerns vary widely between individuals. A clinical assessment is required to understand your specific situation and determine whether any intervention is needed.

When should I contact my practitioner?

If you notice changes that persist beyond expected settling periods (typically 2 to 4 weeks), distort facial contours, or are causing you concern, a consultation allows for assessment of what you are experiencing.

What can Core Aesthetics help with?

A consultation at Core Aesthetics begins with a thorough assessment. Not all post-filler concerns require treatment. The goal is understanding your situation and making an informed decision together.

Do lumps and bumps always need to be treated?

No. Irregularities appearing in the first 2 weeks are often swelling-related and typically resolve without intervention. Lumps that are firm, mobile (can be felt moving under the skin), or persist beyond 4 to 6 weeks may warrant assessment. Photography at baseline and follow-up helps document whether irregularities are actually changing or appear stable. Many early irregularities resolve with observation.

What causes lumps after filler?

Early lumps (days 1 to 7) are typically swelling and normal tissue response. Later lumps (weeks 2 to 6) may be product settling into nodules, tissue response, or actual placement at tissue interfaces. Very persistent, unchanged lumps (> 8 weeks) may represent granulation response or product nodules. Clinical assessment determines the underlying cause.

Clinical references

Written and reviewed by Corey Anderson RN, AHPRA NMW0001047575 · Reviewed 2026-05-02 · TGA & AHPRA compliant

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Corey Anderson RN AHPRA NMW0001047575 Registered since 1996 Oakleigh, Melbourne