A granuloma is a small bump that can be seen or felt beneath the skin that can be a side effect from a dermal filler injection.
Related terms
More on RealSelf
What is a granuloma and what causes it?
Dangerous to remove granuloma from Newfill and Restylane?
Cortisone injection and Restylane-caused granuloma
Reader review of Radiesse- Surgery required to remove granuloma