PLEASE, when you talk about pricing for Lupron shots, you must state not only the time release factor, but the actual dosage. It varies greatly! The time release factor is usually 1 month or 4 month. There is also a 3-month human dose, but I've not seen it used for ferrets. One month delivered doses can be as low at 100 mcg and as high as 500 mcg (microgram). $125 for a 1 g (ie, 1000 mcg) 4-month shot is reasonable. You are paying $12.50 per 100 mcg of Lupron, about the same per amount of drug as if you were getting a 100 mcg 1 month shot for $12. But the first is giving you 2 1/2 times the amount of drug per month and some ferrets only get relief with the higher amounts. Linda Iroff Oberlin OH [Posted in FML issue 3854]