heartburn

/ˈhɑːrtˌbɜːrn/
noun
  1. A painful burning sensation in the chest or throat caused by stomach acid rising into the esophagus.
    • She took an antacid to relieve her heartburn after the heavy meal.
    • Heartburn is a common symptom of acid reflux.
    • Eating spicy food often gives me heartburn at night.
Synonyms
What does "heartburn" mean? | whatsthatwordmean | whatsthatwordmean