Thiabendazole (Mintezol, Merck) can be used to treat a patient with a parasitic infection. The dose is based on body weight and the duration on the specific parasite.
2 doses per day for 2-4 days (depending on the patient's clinical response)
intestinal roundworms
2 doses per day for 2 days
where:
• A single dose of 20 mg per pound body weight can be used for strongyloidiasis and intestinal roundworms. This regimen is associated with more side effects than the standard regimen.
• A patient with cutaneous larva migrans can receive a second course if active lesions are present 2 days after completing the first course.
Formulations:
(1) tablet with 500 mg
(2) suspension with 500 mg per 5 mL (per teaspoon)
Dose Based on Body Weight
Body Weight
Tablets (Grams)
Suspension (mL)
30 pounds
0.5 tablet (0.25 grams)
0.5 teaspoon (2.5 mL)
50 pounds
1.0 tablet (0.50 grams)
1.0 teaspoon (5.0 mL)
75 pounds
1.5 tablets (0.75 grams)
1.5 teaspoons (7.5 mL)
100 pounds
2.0 tablets (1.00 grams)
2.0 teaspoons (10 mL)
125 pounds
2.5 tablets (1.25 grams)
2.5 teaspoons (12.5 mL)
>= 150 pounds
3 tablets (1.50 grams)
3.0 teaspoons (15 mL)
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