Aconitum Napellus (Aconite, Monkshood) is a homeopathic remedy for the initial stages of fever and inflammation resulting from exposure to dry cold, and is usually accompanied by anxiety, restlessness, and thirst. Hyland's Homeopathic Medicine, Aconitum Napellus 30X, Colds & Fevers with Sudden Onset. To be used according to label indications and-or standard homeopathic indications.