Lower-right abdomen pain worse after meals can have various causes, ranging in severity from 'very serious' to 'life-threatening'. Finding the true cause means ruling out or confirming each possibility – in other words, diagnosis.
Diagnosis is usually a complex process due to the sheer number of possible causes and related symptoms. In order to diagnose lower-right abdomen pain worse after meals, we could:
LOWER-RIGHT abdomen: Do you experience discomfort or pain above the right hip that sometimes or always becomes worse after eating?
Possible responses:→ No / I only have pain when I eat / don't know
→ Rarely / a few times a year
→ Yes, mild pain becomes moderate pain after eating
→ Yes, mild pain becomes severe pain
→ Yes, moderate pain becomes severe pain