Hesperian Health Guides

Other Medicines for Diarrhea

Belly Pain, Diarrhea, and Worms: Medicines

Diloxanide furoate

Diloxanide is used in combination with antibiotics to treat amebas. If you cannot get this medicine, try paromomycin or iodoquinol instead.

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Occasionally causes gas, stomach pain, or nausea. Take with food.


Do not use diloxanide during the first 3 months of pregnancy. Avoid this medicine while breastfeeding.

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After completing metronidazole or another treatment for amebas, begin taking diloxanide.
Use 20 mg per kg each day, divided into 3 doses a day for 10 days. If you cannot weigh the person, dose by age.
Under 3 years: give 62 mg (⅛ of a 500 mg tablet), 3 times a day for 10 days.
3 to 7 years: give 125 mg, 3 times a day for 10 days.
8 to 12 years: give 250 mg, 3 times a day for 10 days.
Over 12 years: give 500 mg, 3 times a day for 10 days.


Quinacrine works well for treating giardia, but it makes people feel very sick. It is used because it is inexpensive.

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Headaches, dizziness, and vomiting are common.

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For giardia
Under 10 years: give 50 mg, 3 times a day for 1 week.
Over 10 years: give 100 mg, 3 times a day for 1 week.


Zinc helps people with diarrhea get better faster. It should be given along with rehydration drink.

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For babies, tablets can be ground up and mixed with breast milk or a little water. You may be able to get a “dispersible tablet” which dissolves quickly and easily in liquid.

Newborn to 6 months: give 10 mg, once a day for 10 to 14 days.
Over 6 months: give 20 mg, once a day for 10 to 14 days.
This page was updated:05 Jan 2024