Hello cat lovers, I am writing to you because we need your help, our beloved Lou, who was rescued from living on the streets and waiting to find his forever and caring home, urgently needs a blood transfusion. The cost of a feline blood transfusion can range from $500 to $2,000, although costs can be even higher in seriously ill cats or those experiencing complications associated with their blood transfusion. We will be sharing with you the totals of the procedure together with their respective invoices.