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Panacur Horse Dewormer Suspension 10%

This page contains information on Panacur Horse Dewormer Suspension 10% for veterinary use.
The information provided typically includes the following:
  • Panacur Horse Dewormer Suspension 10% Indications
  • Warnings and cautions for Panacur Horse Dewormer Suspension 10%
  • Direction and dosage information for Panacur Horse Dewormer Suspension 10%

Panacur Horse Dewormer Suspension 10%

This treatment applies to the following species:
Manufacturer: Intervet/Merck Animal Health


Horse & Cattle Dewormer

Suspension 10% (100 mg/mL)

Shake well before use.

Store at or below 25° C (77° F)

Protect from freezing.

Residue Warnings:

Do not use in horses intended for human consumption. Cattle must not be slaughtered for human consumption within 8 days following treatment. For dairy cattle, there is no milk withdrawal period at the 5 mg/kg dose. Do not use at 10 mg/kg in dairy cattle. Dose rate of 10 mg/kg is for beef cattle only. Dose rate of 10 mg/kg in dairy cattle could result in violative residues in milk. A withdrawal period has not been established for this product in pre-ruminating calves. Do not use in calves to be processed for veal.

Panacur Horse Dewormer Suspension 10% Caution

Federal law restricts this drug to use by or on the order of a licensed veterinarian.

Keep this and all medication out of the reach of children.


Horses: 5 mg/kg (2.3 mg/lb) for the control of large strongyles (Strongylus edentatus, S. equinus, S. vulgaris, Triodontophorus spp.), small strongyles (Cyathostomum spp., Cylicocyclus spp., Cylicostephanus spp., Cylicodontophorus spp.), and pinworms (Oxyuris equi).

EXAMPLE: 2.3 mL/100 lb; 23 mL/1000 lb

10 mg/kg (4.6 mg/lb) for the control of ascarids (Parascaris equorum).

Example: (10 mg/kg); 2.3 mL/50 lb; 23 mL/500 lb

Beef and Dairy Cattle: 5 mg/kg (2.3 mg/lb) for the removal and control of:

Lungworm: (Dictyocaulus viviparus).

Stomach worm (adults): Ostertagia ostertagi (brown stomach worms). Stomach worm (adults & 4th stage larvae): Haemonchus contortus/placei (barberpole worm), Trichostrongylus axei (small stomach worm).

Intestinal worm (adults & 4th stage larvae): Bunostomum phlebotomum (hookworm), Nematodirus helvetianus (thread-necked intestinal worm), Cooperia punctata and C. oncophora (small intestinal worm), Trichostrongylus colubriformis (bankrupt worm), Oesophagostomum radiatum (nodular worm).

Beef Cattle Only - 10 mg/kg (4.6 mg/lb) for the removal and control of:

Stomach worm (4th stage inhibited larvae): Ostertagia ostertagi (Type II Ostertagiasis).

Tapeworm: Moniezia benedeni.

Do not use in dairy cattle at 10 mg/kg

In beef and dairy cattle, the recommended dose of 5 mg/kg is achieved when 2.3 mL of the drug are given for each 100 lb of body weight. In beef cattle only, the recommended dosage of 10 mg/kg for the treatment of Ostertagiasis Type II (inhibited 4th stage larvae) or tapeworm is achieved when 4.6 mL of the drug is given for each 100 lb of body weight.

EXAMPLES: (Horses and Cattle)

Dose (5 mg / kg)

Dose (10 mg / kg)

Animal Weight

2.3 mL

4.6 mL

100 lb

4.6 mL

9.2 mL

200 lb

6.9 mL

13.8 mL

300 lb

9.2 mL

18.4 mL

400 lb

11.5 mL

23.0 mL

500 lb

23.0 mL

46.0 mL

1,000 lb

34.5 mL

69.0 mL

1,500 lb


Beef and Dairy Cattle and Horses: Determine the proper dose according to estimated body weight. Administer orally by suitable dosing syringe. Insert nozzle of syringe through the interdental space and deposit the drug on the back of the tongue by depressing the plunger. The drug may also be administered by stomach tube. There are no known contraindications to the use of the drug in cattle or horses. For dairy cattle, there is no milk withdrawal period at 5 mg/kg. Panacur® (fenbendazole) Suspension 10% is approved for use concomitantly with an approved form of trichlorfon. Trichlorfon is approved for the treatment of stomach bots (Gasterophilus spp.) in horses. Refer to the manufacturer’s label for directions for use and cautions for trichlorfon.

Regular deworming at intervals of six to eight weeks may be required for horses.

Under conditions of continued exposure to parasites, retreatment may be needed after 4-6 weeks.

Made in France

Distributed by: Intervet Inc., Madison, NJ 07940

NADA #s 104-494 and 128-620, Approved by FDA

1,000 mL (33.8 fl.oz.)

153777 R1

157767 R1

NAC No.: 1047343.2

Intervet Inc.

Customer Service:   800-521-5767
Order Desk:   800-648-2118
Technical Service (Companion Animal):   800-224-5318
Technical Service (Livestock):   800-211-3573
Fax:   973-937-5557
Every effort has been made to ensure the accuracy of the Panacur Horse Dewormer Suspension 10% information published above. However, it remains the responsibility of the readers to familiarize themselves with the product information contained on the US product label or package insert.

Copyright © 2018 North American Compendiums. Updated: 2018-08-01