LevaMed (levamisole hydrochloride) Soluble Pig Wormer is a broad-spectrum anthelmintic and is effective against certain nematode infections in swine. Dilution rate of 10ml or 2 tsp. to 1 gallon of water; Allow 1 gallon per 100lbs of weight. Left over solution can be kept for 3 months. Bottle will treat 25- 200lb pigs; 50- 100lb pigs ect. Slaughter withdrawl is 3 days.