Toltrazuril

Toltrazuril In Dogs & Cats: Uses, Dosage and Side Effects

Overview

• Coccidiocidal but the exact mode of action is not well understood.

Uses of Toltrazuril

• Effective treatment against Isospora spp., stopping both parasite replication and oocyst shedding.
• Reduces the spread of infection but does not alleviate clinical signs in already infected animals.
• Shows some efficacy against Hepatozoon canis.
• Not authorized for use in cats, but seems to be effective.

Dose of Toltrazuril in Dogs and Cats

Dogs:

• 9 mg/kg p.o. once, further treatment is only indicated if oocyst shedding persists.
• Higher doses of up to 20 mg/kg can be used if required.

Cats:

• 9 mg/kg p.o. once, further treatment is only indicated if oocyst shedding persists.
• Higher doses of up to 20 mg/kg can be used if required.

Side Effects of Toltrazuril in Dogs and Cats

• Mild diarrhoea and/or vomiting may occasionally be seen.

Contraindications of Toltrazuril in Dogs and Cats

• Do not use in puppies/kittens <2 weeks of age or weighing <0.4 kg.