- Fast-acting, gets to work right away.
Powered by the active ingredient oxfendazole, SYNANTHIC white dewormer reaches peak potency within 20 hours.1
- 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.
- 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
- Great value.
Click the link below to use our Cost-Per-Head Calculator to see what you can save by using SYNANTHIC dewormer.
Synanthic® (oxfendazole oral suspension)
A fast-acting, broad-spectrum oral dewormer delivered in a convenient low dose
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.
Synanthic® (oxfendazole oral suspension) Dewormer Controls and Removes the Following Parasites:
Product Inserts & Labels
Other Resources
SYNANTHIC RESIDUE WARNINGS:
Cattle must not be slaughtered until seven days after treatment. Because a withdrawal time in milk has not been established, do not use in female dairy cattle of breeding age.
Sustainable Deworming
1 Prichard RK, Hennessy DR, Steel JW, Lacey E,. Metabolite concentrations in plasma following treatment of cattle with five anthelmintics. Res Vet Sci 1985;39(2):173–178.
2 SYNANTHIC product label.
SYNANTHIC® and the Cattle Head logo® are registered trademarks of Boehringer Ingelheim Animal Health USA Inc. ©2023 Boehringer Ingelheim Animal Health USA Inc., Duluth, GA. All Rights Reserved. US-BOV-0263-2023