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XLIV.h

XLIV - Central-large-upper airway (incl. pharyngeal-nasal) involvement

Laryngospasm (a.k.a. laryngismus)

Last update 17/06/2026

Measurement of plasma calcium, phophate, magnesium and potassium indicated. May cause asphyxia and death. See also under 'Vocal cord dysfunction/closure' (VIIIh). May associate with chest wall muscle rigidity (see also under IXc). Some patients with VCD are erroneously diagnosed with laryngospasm or vocal cord dysfunction (PMID 25841553)

Causative drugs

Frequency - Incidence

Incidence of respiratory adverse event(s) due to the specific drug as assessed by number of reported/published cases in the literature. Red digits in stars indicate: 0 = Very rare, questionable signal · 1 = < 10 cases · 2 = 10-50 cases · 3 = 50–100 cases · 4 = 100-200 cases · 5 = >200 cases