Have had a for that I recently purchased from a sale. When we brought her home we realized she had clogged up breathing. But I thought it would clear up. But it hasn't and it has been a few weeks. So now she has a cough, so I assume it is pneumonia. Will she get over it? Will she die soon? She still has an appetite. What meds do I give her? Please help I think it might be an emergency! Thanks!