This is one of the best remedies for mental irritability. Five remedies have mental irritability in a marked degree. Acon ., irritability, fearful and anxious; dreads things. Aurum , irritability, suicidal, will thrash around in bed (as females in confinement) as if wishing to injure or kill themselves. Chamom , irritability, spiteful and uncivil. Coffea , irritability, wakeful, on the constant move. Nux vom ., irritability, sullen, keeps the eyes shut, doesn't wish to speak or have anything to do with any one. Mental.-- Great gaiety; mental irritability; easy comprehension; excitement of the intellect; nervous excitement; excessive irritability of the body.