| stomach acid → Causes → heartburn | 0.47 | |
| stomach acid → Causes → burning sensation | 0.41 | |
| stomach acid → Causes → pain | 0.36 | |
| stomach acid → Causes → nausea | 0.31 | |
| stomach acid → Causes → acid reflux | 0.26 | |
| stomach acid → Causes → irritation | 0.26 | |
| stomach acid → Causes → gerd | 0.23 |