Persistent hiccups may signal a hidden heart attack risk

Hiccups may sometimes signal a serious health issue rather than just a minor annoyance. In rare cases, persistent hiccups could indicate an inferior wall heart attack, particularly in high-risk groups. Doctors warn that this unusual symptom should not be ignored. Between 5% and 8% of inferior wall heart attacks involve abdominal symptoms, including hiccups. This happens when the heart attack irritates the phrenic nerve, which controls the diaphragm. The resulting spasms lead to hiccups that may last longer than usual.

High-risk individuals include men over 45, postmenopausal women, and those with a history of heart disease or diabetes. For these groups, hiccups lasting over an hour—especially when paired with nausea or chest pain—could be a warning sign. While hiccups alone are rarely cause for alarm, their presence alongside other symptoms demands medical attention. Recognising unusual heart attack symptoms, such as prolonged hiccups, can lead to faster treatment. High-risk individuals should seek immediate help if hiccups persist with other warning signs. Early intervention remains critical in reducing complications from heart attacks.