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Pronunciation |
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(thye
a BEN da
zole) |
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U.S. Brand
Names |
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Mintezol® |
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Generic
Available |
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No |
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Synonyms |
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Tiabendazole |
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Pharmacological Index |
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Anthelmintic |
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Use |
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Treatment of strongyloidiasis, cutaneous larva migrans, visceral larva
migrans, dracunculiasis, trichinosis, and mixed helminthic
infections |
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Pregnancy Risk
Factor |
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C |
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Contraindications |
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Known hypersensitivity to thiabendazole |
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Warnings/Precautions |
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Use with caution in patients with renal or hepatic impairment, malnutrition
or anemia, or dehydration |
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Adverse
Reactions |
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>10%:
Central nervous system: Seizures, hallucinations, delirium, dizziness,
drowsiness, headache
Gastrointestinal: Anorexia, diarrhea, nausea, vomiting, drying of mucous
membranes
Neuromuscular & skeletal: Numbness
Otic: Tinnitus
1% to 10%: Dermatologic: Rash, Stevens-Johnson syndrome
<1%: Chills, malodor of urine, leukopenia, hepatotoxicity, blurred or
yellow vision, nephrotoxicity, lymphadenopathy, hypersensitivity reactions
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Overdosage/Toxicology |
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Symptoms of overdose include altered mental status, visual problems
Supportive care only following GI decontamination |
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Drug
Interactions |
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Increased levels of theophylline and other xanthines |
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Mechanism of
Action |
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Inhibits helminth-specific mitochondrial fumarate
reductase |
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Pharmacodynamics/Kinetics |
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Absorption: Rapid and well from GI tract
Metabolism: Rapid
Half-life: 1.2 hours
Elimination: Excreted in feces (5%) and urine (87%), primarily as conjugated
metabolites |
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Usual Dosage |
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Purgation is not required prior to use; drinking of fruit juice aids in
expulsion of worms by removing the mucous to which the intestinal tapeworms
attach themselves.
Strongyloidiasis, ascariasis, uncinariasis, trichuriasis: For 2 consecutive
days
Cutaneous larva migrans: For 2-5 consecutive days
Visceral larva migrans: For 5-7 consecutive days
Trichinosis: For 2-4 consecutive days
Dracunculosis: 50-75 mg/kg/day divided every 12 hours for 3 days
Dosing comments in renal/hepatic impairment: Use with caution
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Mental Health: Effects
on Mental Status |
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May cause drowsiness, dizziness, hallucinations, or
delirium |
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Mental Health:
Effects on Psychiatric
Treatment |
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May rarely cause leukopenia; use caution with clozapine and
carbamazepine |
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Dental Health: Local
Anesthetic/Vasoconstrictor
Precautions |
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No information available to require special precautions |
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Dental Health:
Effects on Dental Treatment |
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No effects or complications reported |
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Patient
Information |
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Take exactly as directed for full course of medication. Tablets may be
chewed, swallowed whole, or crushed and mixed with food. Increase dietary intake
of fruit juices. All family members and close friends should also be treated. To
reduce possibility of reinfection, wash hands and scrub nails carefully with
soap and hot water before handling food, before eating, and before and after
toileting. Keep hands out of mouth. Disinfect toilet daily and launder bed
lines, undergarments, and nightclothes daily with hot water and soap. Do not go
barefoot and do not sit directly on grass or ground. May cause dizziness,
fainting, lightheadedness (use caution when driving or engaging in tasks
requiring alertness until response to drug is known); abdominal pain, nausea,
dry mouth, or vomiting (frequent small meals, frequent mouth care, sucking
lozenges, or chewing gum may help). Report skin rash or itching, unresolved
diarrhea or vomiting, CNS changes (hallucinations, delirium, acute headache),
change in color of urine or stool, or easy bruising or unusual bleeding.
Pregnancy/breast-feeding precautions: Inform prescriber if you are pregnant.
Consult prescriber if breast-feeding. |
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Nursing
Implications |
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Purgation is not required prior to use
Monitor periodic renal and hepatic function tests |
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Dosage Forms |
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Suspension, oral: 500 mg/5 mL (120 mL)
Tablet, chewable (orange flavor): 500 mg |
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References |
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"Drugs for Parasitic Infections," Med Lett Drugs Ther, 1993,
35(911):111-22.
Walden J,
"Parasitic Diseases. Other Roundworms. Trichuris, Hookworm, and Strongyloides,"
Prim Care, 1991, 18(1):53-74.
Zygmunt DJ, " Strongyloides stercoralis," Infect Control Hosp
Epidemiol, 1990, 11(9):495-7.
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