Haycocknema perplexum are parasitic nematodes which reside in tissue under the skin or in blood vessels. The origin of their natural host is unknown. This group comprises 8% of nematode species affecting vertebrates. this parasite can become fatal if left untreated due to muscular dystrophy of the respiratory system. The broad-spectrum anthelmintic drug can treat diseases by impairing the parasite's ability to absorb glucose, resulting in its death.