spasmophilic diathesis

spas·mo·phil·ic di·ath·e·sis

a condition in which there is an abnormal excitability of the motor nerves, shown by a tendency to tetany, laryngeal spasm, or general convulsions.

spas·mo·phil·ic di·a·the·sis

(spazmō-filik dī-athĕ-sis)
Condition with abnormal excitability of motor nerves, shown by tendency to tetany, laryngeal spasm, or general convulsions.