Bulbar palsy HP:0003709 HP:0003441 Bulbar palsies HP:0001283 Bulbar weakness Bulbar muscle weakness SNOMEDCT_US:398432008 UMLS:C4082299 Bulbar weakness (or bulbar palsy) refers to bilateral impairment of function of the lower cranial nerves IX, X, XI and XII, which occurs due to lower motor neuron lesion either at nuclear or fascicular level in the medulla or from bilateral lesions of the lower cranial nerves outside the brain-stem. Bulbar weakness is often associated with difficulty in chewing, weakness of the facial muscles, dysarthria, palatal weakness and regurgitation of fluids, dysphagia, and dysphonia. UMLS:C1301959 Muscle weakness Abnormal nervous system physiology