Chenopodium ambrosiodes acts on affections of the auditory nerves, especially for sensitivity to sound with relative deafness to sound of voice. It relieves buzzing in the ears and associated vertigo and aphasia. Chininum salicylicum acts on the auditory system to treat vertigo with loss of balance due to ringing, roaring or buzzing in the ears with deafness for external sound. Conium maculatum is indicated for defective hearing and vertigo when lying and turning in bed. Natrium salicylicum’s range of action is on the head, ear and throat and it helps relieve auditory vertigo, tinnitus of low tone and vertigo when raising the head.