Serum Creatinine from 2-4, Flank Pain, Enlarged Kidneys

Illness description: The serum creatinine was 2 before, but now it is 4, is this due to the cysts of PKD? The right kidney measures 174mm*91mm and left kidney measures 174mm*85mm. At present,My father is having pains in lower side of waist, what could be the reason?
Illness analysis: now, the cysts should be treated first, otherwise, the cysts may cause more damage to kidney
Both kidneys have enlarged so much and his serum creatinine is also very high. It suggests he is in stage 4 kidney disease. If not treated in time, he may have to start dialysis. His waist pain can be caused by two reasons. The pull force of the enlarging cyst walls will cause waist pain. Too much protein leakage will cause lack of protein supply for the musles, so he may have dull pain. If his pain is serious, he may have infection inside the cyst or kidney stone which is often the complication of ADPKD. If he doesn't have edema, I suggest he drink more water.
This kind of disease cannot be cured fundamentally, however we can shrink the cysts, increase the blood flow in the kidneys and improve the kidney function so as to avoid kidney failure and dialysis. We have to do something, not waiting passively for kidney failure.
We are the largest kidney disease specialized hospital in China and over 6.4% of our patients are with PKD. The treatment I recommend are herbal medicines and "Duo Nang Xiao".
Herbal medicines is a conservative therapy without pumping fluid or relieving pressure. It is a kind of external application on the back. The Chinese medicine are micronized into one thousandths of its original size. With the action of the microwave, the medicine will permeate into the renal lesions directly through the skin and channels. We use Herbal medicines to expand blood vessels, speed up blood circulation on cysts walls, and improve the permeability of the cysts thus making the cysts shrink and decrease. It will restrain the proliferation of the epithelial cells, so the secretion of cyst liquid will be reduced. When the internal pressure of the cyst declined, the size of the cyst will gradually become smaller, thus relieving the compression of the tissues around, improving microcirculation, and blocking the progressing of renal fibrosis. Besides, the cysts are not easy to recur after disappearance, and the symptoms will thoroughly disappear. The kidney function will also be better.
"Duo Nang Xiao" is a kind of oral taking medicine prescribed by Chinese medicine professor. It is effective in shrinking the cysts according to the clinical observation.
If you have his test reports, I hope you can send to me. I will analyze it and give you specific advice.
According to our former conversation, you said your father's kidneys are 170mm. That's really big. Even his serum creatinine is lowered down, his kidney function is continuing declining if the cysts are not treated. The enlarging of the cysts will press the around kidney tissues and cause lack of blood and oxygen supply in the kidneys. Once the renal fibrosis starts, it is hard to stop it. Therefore, on diet he has to avoid spicy food, greasy food, sea food and strong tea or coffee. These things are stimulating, which may enlarge the cysts.