Hiccups are caused by involuntary contractions of the diaphragm

the verdict

SUPPORTED

the evidence backs this

Recorded sources

2 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that hiccups are caused by involuntary contractions of the diaphragm?

Yes. Hiccups are well-established medically as being caused by involuntary contractions of the diaphragm, typically followed by the sudden closure of the glottis.

Verdict: SUPPORTED · 2 sources for, 0 against · Last checked 4 Aug 2026

The analysis

The claim is a specific, empirical medical fact that is directly supported by the retrieved literature, specifically papers discussing the physiological definition and mechanisms of hiccups.

Evidence for · 2

Identifying the Hiccup-Induced Esophagogastric Waveform: A Case Series Report Using High-Resolution Manometry.

2024

Get citation

FA, F., RA, J., & JM, R. (2024). Identifying the Hiccup-Induced Esophagogastric Waveform: A Case Series Report Using High-Resolution Manometry.. doi.org. https://doi.org/10.14309/crj.0000000000001541

See more details

More for · 1

The action of aripiprazole and brexpiprazole at the receptor level in <i>singultus</i>.

2021

Get citation

E, A., L, A., OC, B., & GA, P. (2021). The action of aripiprazole and brexpiprazole at the receptor level in <i>singultus</i>.. doi.org. https://doi.org/10.31083/j.jin.2021.01.273

Related receipts

Is it true that hiccups result from involuntary spasms of the diaphragm that abruptly close the glottis? SUPPORTED related question, same topic
Is it true that muscle twitching is caused by involuntary nerve discharges? SUPPORTED related question, same topic
Is it true that acid reflux causes hiccups? PARTIAL LEAN related question, same topic

What does the evidence say?

The claim is a specific, empirical medical fact that is directly supported by the retrieved literature, specifically papers discussing the physiological definition and mechanisms of hiccups.

Receipt History

first checked04 Aug 2026

judged → SUPPORTED · 7904 Aug 2026

Anyone with this link can read the claim and its public receipt, including any personal information in that text. Open permanent receipt.

Check your own claim

Challenge the receipt

I have a source that contradicts this verdict I have a source that supports it No source: request a receipt review Requests are recorded for review. This does not start an automatic check or guarantee a response time.

See the evidence timeline

Citation formatting by citeproc-js (Frank Bennett) and the Citation Style Language project. Source and licenses.

This receipt is an automated verdict against our published method · not an opinion about any author or publication.
Terms · Privacy · How verdicts work