Medical term for the sensation of stomach acid rising into the esophagus; synonymous with 胸焼け (むねやけ) in everyday language.
See also: 胸焼け (むねやけ)
If symptoms of acid reflux persist, please consult a doctor.
食後に呑酸を感じることが多い。
I often feel heartburn after meals.
Standard medical term for acid reflux/heartburn.
Variant with outdated kanji; rarely used.
Compound of 呑 (どん, 'swallow') and 酸 (さん, 'acid'), literally 'swallowing acid'. The exact historical derivation is uncertain; the spelling is conventionally associated with the medical meaning.