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Fast-acting, gets to work right away.
Powered by the active ingredient oxfendazole, SYNANTHIC white dewormer reaches peak potency within 20 hours.1
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Broad spectrum; kills the parasites that matter most.
SYNANTHIC controls over a dozen of the most economically devastating parasites, including multiple stages of stomach worms, intestinal worms, lungworms and tapeworms.
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Highly concentrated, highly effective.
SYNANTHIC works with one concentrated dose. For example: 5 mL for a 550-pound calf and 12 mL for a 1,320-pound cow.2
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Great value.
Click the link below to use our Cost-Per-Head Calculator to see what you can save by using SYNANTHIC dewormer.
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Boehringer Ingelheim Synanthic® (oxfendazole oral suspension)
In Stock
Item Details
A fast-acting, broad-spectrum oral dewormer delivered in a convenient low dose
Details
Synanthic® (oxfendazole oral suspension) is a fast-acting white dewormer that offers unrivaled protection against profit-sucking internal parasites, including stomach worms, intestinal worms, lungworms and tapeworms.
Features & Benefits

Dosage & Administration
