Veratrum Viride is a homeopathic remedy for fever, painful hiccough, nausea, vomiting, head congestion. Worse from raising up; cold; lying on back after confinement. Motion aggravates; lying down aggravates (headache, breathing); going from warm to cold; morning on waking; also evening. Better from rubbing; lying with head low; eating; pressure (pain in head); closing eyes and resting head helps vertigo.
You can find Veratrum Viride Pills at Remedy Source.