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[1] [2] Patients observe these symptoms and seek medical advice from healthcare professionals. Because most people are not diagnostically trained or knowledgeable, they typically describe their symptoms in layman's terms, rather than using specific medical terminology. This list is not exhaustive.
Cutaneous larva migrans (abbreviated CLM) is a skin disease in humans, caused by the larvae of various nematode parasites of the hookworm family (Ancylostomatidae).The parasites live in the intestines of dogs, cats, and wild animals; they should not be confused with other members of the hookworm family for which humans are definitive hosts, namely Ancylostoma duodenale and Necator americanus.
Symptoms Dysphagia , dysarthria , flaccid paralysis , muscle atrophy , drooling of saliva, reduced or absent gag reflex Bulbar palsy refers to a range of different signs and symptoms linked to impairment of function of the glossopharyngeal nerve (CN IX), the vagus nerve (CN X), the accessory nerve (CN XI), and the hypoglossal nerve (CN XII).
Infection in humans follows ingestion of raw or insufficiently cooked infected intermediate hosts. [15] The ingested third-stage larva migrates from the gastric wall and its migration results in the symptoms associated with infection by gnathostomiasis. [3]
Symptoms may vary from none to mild, to meningitis. [1] Infection with Angiostrongylus cantonensis (rat lungworm) can occur after ingestion of raw or undercooked snails or slugs, and less likely unwashed fruits and vegetables. In humans, A. cantonensis is the most common cause of eosinophilic meningitis or meningoencephalitis. [2]
The larvae can move through the body without triggering a response from the host's immune system, so some people who are infected with the parasite experience no symptoms; the Global Burden of Disease Study estimated that in 2017 there were at least 20.9 million people infected worldwide, of which 14.6 million had skin disease symptoms and 1.15 ...
In larval ascariasis, symptoms occur 4–16 days after infection. The final symptoms are gastrointestinal discomfort, colic and vomiting, fever, and observation of live worms in stools. Some patients may have pulmonary symptoms or neurological disorders during the migration of the larvae. There are generally few or no symptoms.
Visceral larva migrans (VLM) is a condition in humans caused by the migratory larvae of certain nematodes, humans being a dead-end host, and was first reported in 1952. [1] Nematodes causing such zoonotic infections are Baylisascaris procyonis , [ 2 ] Toxocara canis , [ 3 ] Toxocara cati , [ 3 ] and Ascaris suum . [ 4 ]