Pyometra 12 yr old dog

I need your help. We took our 12 yr old 83 lb German Shepard/Husky mix to the ER vet a few weeks ago when we came home and found a large puddle of bloody pus on the floor when she got up to come say hello. It had a horrible smell and I immediately looked up and had a good idea that's what it was seeing the symptoms she had been presenting the previous week before, (shock symptoms, lost some weight, been not acting right), and she had just been in heat about 5 -6 weeks prior. We did get that it was open pyometra and she needed a $5000 surgery, received 3 days of antibiotics and I came home and started searching for other things being a naturalist and herbalist myself and with our family. I found you guys and after some debate and research I have been giving her sepia 30c, hepar sulph 30c, caullophyllum 30c 3x's a day for about 7 days. I've also given her China and echinacea once daily. She went from leaking blood and pus horribly daily to just a yellowish discharge with no smell and has really been acting and feeling better. My question is since there is still a discharge that's yellow, should I continue to give these or something else also, because if so I'm out and need to order more asap. I don't want her to regress, because we want to get her spay asap but when she's healed completely. Or is this sufficient and will she just continue to get better, in your opinion. Thank you so much!