Panacur Suspension

Panacur Suspension - 1000ml
SKU : 1035_-RX
Price: $134.95

Fenbendazole Suspension

  • 10% Fenbendazole suspension (100 mg/ml)
  • Horse and cattle dewormer
  • A broad-spectrum anthelmintic for the control of large and small strongyles, pinworms, and roundworms in horses
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by Merck
  • Panacur is a 10% suspension of fenbendazole as a ready to administer oral anthelmintic for cattle, sheep and horses.
  • 1 ml contains 100 mg active ingredient fenbendazole.

A broad-spectrum anthelmintic for the treatment of cattle and sheep infected with mature and developing immature forms of nematodes of the gastro-intestinal and respiratory tracts. Safe in pregnant mares and stallions.


For the treatment and control of adult and immature roundworms of the gastro-intestinal tract in horses and other equines. Panacur effectively treats and controls the following roundworm infections:


Large strongyles (adults and migrating larval stages of S. vulgaris; adults and tissue larval stages of S. edentatus)


Benzimidazole susceptible adult and immature small strongyles (Cyathostomes). 


Panacur is also effective for the treatment and control of encysted mucosal 3rd and 4th stage small strongyle larvae and is also effective against encysted inhibited 3rd stage small strongyle larvae in the mucosa.


Adult and immature Oxyuris spp., Strongyloides spp. and Parascaris equorum.


Panacur also has an ovicidal effect on nematode eggs.

Dosage and administration

No dietary control is required before or after treatment.


Cattle and Horses: 

Administer orally approximately 1ml per 13kg bodyweight (= 7.5mg fenbendazole/kg bodyweight).


Practical dosage recommendations:

             65kg                            5ml

             135kg                          10ml

             200kg                          15ml

             265kg                          20ml

             335kg                          25ml

             400kg                          30ml


             Above 400kg, an extra 3.75ml are required for each additional 50kg bodyweight.

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Intervet/Merck Animal Health


(100 mg/mL)


Do not use in horses intended for food.

Cattle must not be slaughtered for human consumption within 8 days following treatment.

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.

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 worms (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.

Manufactured by: DPT Laboratories, San Antonio, TX 78215

Distributed by: Intervet Inc., Millsboro, DE 19966

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

1,000 mL (33.8 fl.oz.)



NAC No.: 1047343.1