How do I know if a spasm under my right ribs is muscular or something more serious like gallbladder or liver issues?

Pain under the right ribs is often caused by painful rib syndrome, a musculoskeletal condition that produces sharp or aching discomfort along the lower rib cage. Unlike gallbladder or liver conditions, this pain typically stems from irritated intercostal nerves, strained muscles, or slipped rib cartilage. Other possible causes include muscle strain, rib injury, or referred pain from nearby organs.

Key signs of painful rib syndrome:

• Sharp or aching pain under the right ribs
• Tenderness when pressing on the area
• Pain that worsens with movement, twisting, or deep breathing

If your pain is persistent, severe, or accompanied by fever, nausea, or jaundice, see a doctor promptly for an accurate diagnosis.

Because right-sided rib pain can stem from many causes—ranging from harmless muscle strain to conditions needing urgent care—the fastest way to understand what's happening in your body is to check your symptoms against a trusted medical database. Take a free, instant, online symptom check to get personalized insights and confidently decide your next steps.

Reviewed for medical accuracy: 07/20/2026