Overview
Merck Safe-Guard (fenbendazole) 10% Dewormer Paste is a broad-spectrum anthelmintic for the treatment and control of internal parasites in cattle and horses. Fenbendazole is one of the most widely used and trusted dewormers in livestock medicine, effective against a broad range of gastrointestinal roundworms, lungworms, and tapeworms. The 290 g tube delivers multiple doses for cattle or horses, and the paste formulation allows for easy, accurate oral administration using the calibrated dose syringe. Safe-Guard has a well-established safety profile and is approved for use in beef cattle, dairy cattle (including lactating cows), and horses.
Key Features
- 10% fenbendazole — broad-spectrum coverage against gastrointestinal roundworms, lungworms, and tapeworms
- Approved for beef cattle, dairy cattle (including lactating cows), and horses
- Paste formulation for easy, accurate oral administration
- Calibrated dose syringe for precise weight-based dosing
- 290 g tube provides multiple doses for cattle or horses
- No milk withdrawal required for dairy cattle (per label)
Specifications
- Brand: Merck Animal Health
- Product: Safe-Guard
- Active Ingredient: Fenbendazole 10%
- Form: Oral Paste
- Size: 290 g tube
- SKU: 18420032
- Barcode: 021784472296
- Species: Beef cattle, dairy cattle, horses
Best For
- Broad-spectrum deworming programs in beef and dairy cattle
- Lactating dairy cows requiring a dewormer with no milk withdrawal
- Horse deworming programs targeting roundworms, tapeworms, and lungworms
- Producers looking for a trusted, widely used fenbendazole dewormer in paste form
Always follow label directions for dosage, species, and withdrawal times. Consult your veterinarian for parasite management program guidance.








