2021
DOI: 10.1590/s1678-9946202163062
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COVID-19 presenting as persistent hiccups: a case report

Abstract: Hiccups are involuntary, spasmodic contractions of the diaphragm and intercostal muscles and can be classified as acute (< 48 h), persistent (48 h to a month) or intractable (> 1 month). A previously healthy 29-year-old man sought the Emergency Department with flu-like symptoms and a two-day history of persistent hiccups. His physical examination was otherwise unremarkable and vital signs were within normal limits. An unenhanced computed tomography scan of the chest showed small focal ground-glass opacities sc… Show more

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Cited by 4 publications
(7 citation statements)
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“…The patient was followed up by phone for 10 days and treated with chlorpromazine for the resistant hiccups, which disappeared 10 hours after starting treatment. The chlorpromazine treatment was continued for a total of 5 days, and there was no relapse after treatment discontinuation 17 …”
Section: Resultsmentioning
confidence: 99%
See 2 more Smart Citations
“…The patient was followed up by phone for 10 days and treated with chlorpromazine for the resistant hiccups, which disappeared 10 hours after starting treatment. The chlorpromazine treatment was continued for a total of 5 days, and there was no relapse after treatment discontinuation 17 …”
Section: Resultsmentioning
confidence: 99%
“…Fifteen relevant cases of COVID-19 patients presenting with persistent hiccups were found (Tables 1, 2). [6][7][8][9][10][11][12][13][14][15][16][17][18][19] All cases were men between 29 and 72 years old. Common preexisting comorbidities included hypertension (53%), diabetes mellitus (40%), and obesity (20%).…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Pneumonia caused by common pathogens[ 8 ] as well as by SARS-CoV-2[ 3 , 4 ] has been reported as a cause of persistent hiccups. Interestingly, apart from cases of lower lobe pneumonia, which would suggest direct irritation of the diaphragm as a potential mechanism resulting in hiccups[ 8 ], the association of persistent hiccups with COVID-19 has increasing publications with other sites of lung involvement[ 9 ]. Noteworthily, our patient had only minor infiltration in the upper lobe on chest computed tomography (Figure 1 ).…”
Section: Discussionmentioning
confidence: 99%
“…It has been used successfully for persistent hiccups of different etiologies with an action attributed to either reduction of dopamine release in the central nervous system, which could interrupt hiccup's reflex arc or induction of transient lower esophageal sphincter relaxations, by stimulating gamma-aminobutyric acid B receptors in the motor nucleus of the vagal nerve and nucleus tract solitarious[ 18 ]. Hiccups attributed to COVID-19 have been managed with hydroxychloroquine, metoclopramide, and chlorpropamide, as well as a combination scheme with baclofen included[ 3 , 4 , 9 ]. In this case, hiccups did not respond to metoclopropamide nor chlorpropamide, but on the contrary had an immediate and complete response to baclofen.…”
Section: Discussionmentioning
confidence: 99%