Bulging Disc vs Herniated Disc Difference

Picture of Dr. Pasquale X. Montesano
Dr. Pasquale X. Montesano

Principal Orthopedic Spine surgeon at Montesano Spine & Sport.

Herniated Disc
FeatureBulging DiscHerniated Disc
Annulus Intact?✅ Yes❌ Torn or ruptured
Nucleus Displacement❌ No✅ Yes
SizeBroad-based, often >25% of discFocal, usually <25% of disc
SymptomsOften none or mildMore likely to cause nerve compression
Common CauseDegeneration, agingTrauma, degeneration, lifting injury