hi all i have a litter of lurcher pups here they are 5 week old and I have been using a wormer from the pet shop the 1st time I used it it seemed to work but at 4 week I used the same wormer and the pups have not been doing so good they are loosing Wight and just don't look as healthy as they did I am feeding them chappy wet food and there not putting any Wight or size on can I buy any thing over the counter from vet or pet shop that will work as the vets up here are all about the ££££££ if I have to take the than I will I have been using this shit beapbar worming cream