Question 1

What is Toltrazuril used for?

Accepted Answer

Toltrazuril is indicated for: Coccidiosis, Coccidiosis (Eimeria), Coccidiosis (Isospora), Coccidiosis in kids, Coccidiosis in lambs, Coccidiosis in piglets, Coccidiosis in piglets (Isospora suis), Coccidiosis metaphylaxis in calves.

Question 2

What routes can Toltrazuril be administered by?

Accepted Answer

Available routes: PO.

Question 3

Which species have cited Toltrazuril dosing data?

Accepted Answer

Toltrazuril dosing in the ExoticRx formulary covers 8 species: African Grey Parrot, Cat (Domestic), Cattle (Beef/Dairy), Dog (Domestic), Goat (Caprine), Rabbit (Domestic), Sheep (Ovine), Swine (Pig).

Question 4

Is Toltrazuril a controlled substance?

Accepted Answer

Toltrazuril is not federally scheduled as a controlled substance, but is veterinary prescription only in most jurisdictions.

Question 5

What are the warnings or contraindications for Toltrazuril?

Accepted Answer

Generally well-tolerated. Primarily used for coccidiosis. Single-dose or short-course treatment. Bitter taste. Extra-label use in small animals.

Question 6

What are the side effects of Toltrazuril?

Accepted Answer

Reported side effects, adverse reactions, and contraindications for Toltrazuril: Generally well-tolerated. Primarily used for coccidiosis. Single-dose or short-course treatment. Bitter taste. Extra-label use in small animals.

Question 7

How does Toltrazuril work?

Accepted Answer

Disrupts mitochondrial function and nuclear division in all intracellular stages of coccidia. Coccidiocidal rather than coccidiostatic.

Species	Route	Dose	Frequency	Evidence	Source
Dog (Domestic)	PO	10–30 mg/kg	Single dose or q24h x 3 days	Moderate	Papich Handbook of Veterinary Drugs, 5th Ed
Cat (Domestic)	PO	10–30 mg/kg	Single dose or q24h x 3 days	Moderate	Papich Handbook of Veterinary Drugs, 5th Ed

Toltrazuril

Drug Class

Routes

Indications

Mechanism of Action

Side effects & warnings

Species with Toltrazuril dosing data (10 dose rules)

Evidence levels across 10 dose rules

Backed by 4 published sources

Sample dosing (2 of 10 cited rules)

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