29 - Antihelminthic drugs Flashcards
DOC for Ascariasis;
Albendazole
DOC for Trichuris trichiura (whipworm)
Mebendazole
MOA of Albendazole?
inhibits microtubule assembly
MOA of Mebendazole?
selectively inhibits microtubule synthesis and glucose uptake in nematodes.
DOC for Hydatid disease
Albendazole
DOC for Necator americanus and Ancylostoma duodenale?
Albendazole
DOC for Enterobius vermicularis
Pyrantel palmoate
DOC for Strongyloidiasis
Ivermectin
DOC for Filariasis
Diethylcarbamazine
MOA for pyrantel palmoate
Stimulates the nicotinic receptors of the neuromuscular junction of nematodes, causing depolarization-induced paralysis
DOC for Trichinosis
Thiabendazole
What antihelminthic drug is contraindicated with patients with hepatic dysfunction?
Pyrantel palmoate
MOA for Ivermectin
Intensifies GABA-mediated neurotransmission in nematodes, immoblilizing the parasites.
Enumerate: drugs that can cause the Mazotti reaction (2):
Diethylcarbamazine (when treating onchocerciasis) and Ivermectin
What kind of drugs must be avoided when treating with Ivermectin?
-other drugs that enhance GABA activity, e.g. barbiturates
DOC for Capillaria philippinensis:
Albendazole
MOA for Thiabendazole:
selectively inhibits microtubule synthesis and glucose uptake in nematodes.
DOC for Schistosoma japonicum:
Praziquantel
DOC for Paragonimiasis:
Praziquantel
MOA of Praziquantel:
Increases membrane permeability to calcium, causing muscle paralysis, vacuolization, and death.
DOC for echinococcus granulosus:
Albendazole
DOC for Taenia solium:
Praziquantel
DOC for Taenia saginatta
Praziquantel
Alternative drug for cestode infections:
Niclosamide
Mechanism of action of Niclosamide
uncouples oxidative phosphorylation or by activating ATPases