Aconitum: Colds caused by dry cold air. Fommications and pains in legs. Paraesthesias especially at night.
Arsenicum album: Burning pain especially at midnight. Ameliorated by warm applications.
Colocynthis: Violent pains that are aggravated by slightest movement, cold or even touch. Cramplike drawing pain along the sciatic nerve.
Gnaphalium polycephalum: Nerve root pain with formications. Ameliorated on sitting.
Magnesium phosphoricum: Nocturnal pain, ameliorated by warm applications and pressure.