Horse Wormers
Wormers
One of the confusing things about worming is the numerous trade names for products that contain the same ingredient. While we recognise wormers by their trade product names it is easier in terms of knowing what they treat, egg re-appearance periods and resistance to think of them in terms of their classifications and active ingredients.
Commonly used worm classes in the UK – please note this is a summary only. Please read individual
drug data sheets prior to treatment.
*Avoid Equest and Equest Pramox if less the 6½ months of age, pregnant or lactating mares or if emaciated. Always read the data sheet for safety warnings and contra-indications prior to treating.
† widespread worm resistance
††It is thought that a five day course of fenbendazole will not overcome the problem of benzimadazole resistance when treating encysted cyathastomins.
