I am very concerned about this little dog. Young puppies that break with diarrhea, vomiting, anorexia, and lethargy become very sick very quickly. A huge concern is parvovirus. However any cause of these signs in a puppy can result in dehydration, hypoglycemia, and hypothermia. These problems can be potentially life threatening. If at all possible please have your dog examined by a veterinarian. Some clinics will do payment plans. Some local shelters run low cost or income based clinics.
Try force feeding Pedialyte, honey, or Karo syrup. Encourage the puppy to eat--canned food, chicken, etc. Keep her warm--if you use a heating pad keep it on low and place a towel/blanket between the puppy and pad. Heating pads can cause severe burns.
I am very sorry you are in this situation--I hope things work out for your puppy.
Try force feeding Pedialyte, honey, or Karo syrup. Encourage the puppy to eat--canned food, chicken, etc. Keep her warm--if you use a heating pad keep it on low and place a towel/blanket between the puppy and pad. Heating pads can cause severe burns.
I am very sorry you are in this situation--I hope things work out for your puppy.