. >> reporter: the aspca's fiona night says neighbor started complaining about the smell from carmen'sghbors, that's how we find out about cases like this, complain about the smell of ammonia and cat urine. >> it crosses the line when there are too many. it can affect the owner's health and cats' health. >> reporter: that's what happened to carmen. she suffers from asthma and emphyse emphysema. >> the doctor says i can no longer have my cats or any animal with hair. >> reporter: how did carmen get to this point? she said she started with two cats. they were dropped off on her porch. three more were dropped off. those cats started breeding. more and more cats were dropped off. within five years those five cats morphed into 50. >> translator: i don't know if i have a big heart, but i don't like to hurt anyone, especially animals. i love animals. >> reporter: that love left her bankrupt. feeding 50 cats and keeping them healthy costs her more than $1,000 a month. >> translator: i have lots of debt. debt with the bank, debt with credit cards. they're all maxed out. >> reporter: in hoarding

murphy is at the animal hospital at the aspca. >> they might be expired, they might be counterfeit. >shopping for pet medicines on the web is become morg g moreommon. >> it's a little more reasonable than ordering it from the vet. >> one thing the fda said, if it seems too good to be true, it probably is. >> how do you know which web sites you can trust? >> generally speaking you should go to national pet sites like 1-800-pet medicine or petmedvets. or ask your vet. >> when searching on line, beware certain red flags. >> if there's not an address for that pharmacy, you should be suspicious. we also don't recommend going outside the united states. >> i stick to one company that i know i have good experiences w. >> now she orders from a different web site a daphne is back in good health. >> at the may not be the least expensive, but it's still better than buying it elsewhere and i know their product is always good. >> lane da >> linda vacarro, ne4. >>> replacement crew members were broughtn for "the biggest loser." about 50 regular crew members for the show have gone on strike. they wan

louise murray is president of the bird memorial animal hospital at the aspca. >> the medication may beired, counterfeit. >> reporter: comparison shopping for pet medicines on the web is mo common. >> they're a little cheaper than the vet. >> one thing the fda says, if it seems too good to b true, in terms the price, probably is. >> reporter: how do you know which website s to the trust? you should go with nationally known sites like 1-800 pet-meds. or check with your vet about. >> when searching on line, beware of certain red flags. >> if there's no physical adjunct for that armacy, you should be suspicious. >> i stick to one company i know, i've always had good experiences wi. >> reporter: these days, bonnie orders medicine from a different website, and daphne is back in good heah. >> they may not be the least expensive, but it's better than buying it elsewhere. i know their product is good. >> reporter: lynda baquero, news 4. >> it's messy out there, veronica? >>> it is. take the extra time to wipe the paws off before you bring the dogs inside. wee talking about the trend coming up f