Is often restorative of a wasted and worn-out system; a fair picture of "nervous prostration" (Kali p.). Progressive, pernicious, anaemia; neurasthenia. Brain fag: of literary or business people; slightest excitement, mental exertion or overwork brings on headache, and causes burning along the spine (Kali p.). Headache: of students, teachers and overworked business men; from grief or depressing emotions; in occiputal-cervical region (Nat. m., Sil.); < or brought on by slightest motion or mental exertion. Priapism, with spinal disease; erections; satyriasis (Canth., Phos.). Small boils in any part of body, but especially in external auditary canal. Burning along spine and great weakness of spine and back; softening of cord (Phos., Zinc.). Weariness, progressing from a slight feeling of fatigue on motion to complete paralysis. Tired heavy feeling all over body, especially of limbs, < on exertion.