A broad spectrum horse worming gel which contains the active ingredient Moxidectin, a second generation macrocyclic lactone and Praziquantel, a synthetic isoquinoline-pyrazine derivative. For treatment and control of tapeworm, large strongyles, small strongyles, pinworms, ascarids, hair-worms, intestinal threadworms, stomach worms, bots and cutaneous onchocerciasis.