Pain in tibia, dysmenorrhoea, colic, and diarrhoea. Easily fatigued and heated; sleepy. Stolid, mask-like facies; low monotonous voice "Economical Speech". Muscular twitching, cramps in calves; stiff leg muscles; occasional uncontrollable laughter. Peculiar slapping gait. Similar symptoms to paralysis agitans, progressive lenticular degenerations and pseudo sclerosis. Workers in Mangan binoxide are frequently affected with bulbar paralysis. Use 3x homeopathically.