Managing bots and other internal parasites in horses is crucial for their health and performance. This article highlights the best wormers specifically designed to target bots and other common parasites in horses. Below is a summary table featuring key details of selected products, followed by detailed reviews and a buying guide to assist in choosing the right treatment for your horse.
| Product | Brand | Key Feature | Use |
|---|---|---|---|
| Strongid Paste Horse Dewormer | Strongid | Broad-spectrum against strongyles and roundworms | Safe for breeding, pregnant, lactating mares, and foals |
| DuraMectin Ivermectin Paste 1.87% | Durvet | Effective treatment and control of internal parasites | For horses only |
| Ivermectin Paste – 6.08 Grams (3-Pack) | Durvet | Convenient multi-pack wormer | Targets bots and other parasites |
| Durvet 6 Pack Apple Flavored Ivermectin Paste | Durvet | Apple-flavored, effective against bots with single dose | Safe for all horses including broodmares and foals |
| BIMECTIN Ivermectin 1.87% Paste Wormer | Bimeda | Broad-spectrum parasite control | Over-the-counter apple-flavored wormer |
Strongid Paste Horse Dewormer

Strongid Paste is a broad-spectrum dewormer that targets a range of internal parasites including mature infestations of large strongyles, small strongyles, roundworms, and pinworms. It is specifically effective in controlling bots that can affect the digestive tract of horses. This product is specially formulated for safety, making it suitable for use in breeding, pregnant, and lactating mares, as well as young foals aged 2 months and older.
The paste syringe format provides precise dosing to ensure accurate treatment, helping horse owners maintain parasite control while minimizing risk to vulnerable horses such as foals and mares. Strongid is an essential option for comprehensive parasite management.
DuraMectin Ivermectin Paste 1.87% Horse Wormer

The DuraMectin Ivermectin Paste is a well-known effective treatment and control solution for internal parasites in horses. With an ivermectin concentration of 1.87%, it targets bots and other common equine parasites efficiently. This wormer comes in an easy-to-use paste syringe designed exclusively for horses.
It provides thorough parasite control, which is critical in preventing bot larvae accumulation along the horse’s stomach lining, a common conductor of bot infestation. Durvet’s formulation has earned trust among horse owners aiming for reliable parasite management without complicated administration.
Ivermectin Paste – Horse Wormer 1 Tube 6.08 Grams (3-Pack)

This three-pack of ivermectin paste from Durvet offers a convenient supply for multiple treatments or for use among several horses. Each 6.08-gram tube is formulated to combat bots as well as a broad range of other internal parasites.
The ivermectin paste is simple to administer via an oral syringe with palatable consistency, making it practical for large equine operations or multiple horse households. The pack ensures continued parasite management with consistent product quality and efficacy.
Durvet 6 Pack of Ivermectin Apple Flavored Horse Wormer

This 6-pack of apple-flavored ivermectin paste offers an appealing option due to its taste, easing administration challenges. The formula targets bots and works to remove worms with a single dose, suitable for all horses including broodmares, breeding stallions, and young foals.
The added flavor helps reduce resistance during dosing, improving compliance. Apple flavor also makes it a favored choice for owners dealing with difficult-to-medicate horses. It offers the benefit of broad-spectrum efficacy with a palatable formulation.
BIMECTIN Ivermectin 1.87% Paste Wormer Apple Flavor

Bimeda’s BIMECTIN Ivermectin Paste features a 1.87% ivermectin concentration designed for broad-spectrum parasite control in horses. This over-the-counter product comes in an apple-flavored paste, supporting easier acceptance in equine patients.
This wormer controls bots and a variety of internal parasites effectively with a single dose. Its availability as an OTC option makes it accessible for a wide range of horse owners needing reliable parasite management solutions.
Buying Guide: How to Choose the Best Wormer for Bots in Horses
Choosing the right wormer for bots in horses involves considering several factors to ensure effective parasite control, safety, and ease of administration. Here are key points to keep in mind:
1. Effectiveness Against Bots
Ensure the wormer contains active ingredients like ivermectin or similar compounds proven to target bot larvae specifically. Products with broad-spectrum activity are preferable as they also address other common internal parasites.
2. Horse Type and Life Stage Compatibility
Select a wormer safe for your horse’s reproductive status, age, and health condition. Some dewormers are formulated for use in pregnant or lactating mares and young foals, whereas others have restrictions.
3. Formulation and Taste
Oral paste syringes are common for ease of dosing. Flavoring like apple can improve acceptance, making administration simpler and reducing stress for the horse and handler.
4. Dosage and Convenience
Consider tube size and pack quantity based on the number and size of horses you need to treat. Multipacks offer value and ensure consistent supply for routine deworming schedules.
5. Safety and Manufacturer Reputation
Choose products from reputable manufacturers with clear usage instructions and safety guidelines. Always follow dosing recommendations to prevent resistance and ensure optimal horse health.
6. Veterinary Guidance
Consult your veterinarian when selecting and scheduling dewormer treatments. They can recommend the best products based on regional parasite threats and your horse’s specific needs.