Click to expand Tap to zoom Quest Plus Gel 1 Dose Save Liquid error (product-badge line 32): -Infinity% $15.99 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Combines 2% moxidectin and 12.5% praziquantel for the treatment and control of large and small strongyles, encysted cyathostomes, ascarids, pinworms, hairworms, large mouth stomach worms, stomach bots and tapeworms. One dose also suppresses strongyle egg production through 84 days. May be used in horses and ponies 6 months of age and older.