For the treatment of parasitic infections caused by the adult stage of large and small strongyles, pinworms, ascarids and the common tapeworm. Not for use in foals under 8 weeks of age.
As with all de-wormers, it is recommended to use de-wormers with different active ingredients every time you de-worm your horse. Also take into consideration that different times of the year bring different sets of worms and some de-wormers are better at dealing with them than others.
As a General Rule:
January/February or July/August: Pyrantel
March/April or September/October: Moxidectin
May/June or November/December: Ivermectin