Generalities:

Parasite very aggressive. Main cause of  Seizures or epilepsies, hearing loss, deafness, tinnitus (noises in the ear), vertigo. If it gets entangled in the muscle, it causes pain. Hosted in the brain is serious because it alters it and can even generate  Intracranial tumors. It blocks the lymphatic vessels, inflames the tissues. Elephantitis.