Kidney detox symptoms: what are they? How long?

Hello all,

After some very intensive liver work - a big flush every day for 3 weeks - I thought that it would be now time to take care of poor kidneys. I suffer from frequent urination and occasional burning since monthes now, but I thought decongesting the liver was the priority.

I am juice fasting since almost 7 weeks now, with cucumbers, celery, and parsley daily: that is the only kidney work that I've done so far.

So, 2 days ago, I've started taking a product which contains gravel root, lemon balm, marshmallow root, parsley root, dandelion... www.iherb.com/Planetary-Herbals-Stone-Free-820-mg-90-Tablets/1609. I noticed an increase in urine production of course, and some occasional burning while peing.

Today, I also started to take a kidney tincture similar to Schulze's.  The burning intensified, quite a lot actually, even when not peing, and so does the amount of urine produced. I sometimes go every 10 minutes.

I'm starting to worry whether it is normal detoxification symptoms or it is my kidneys that suffer too much and are about to fail. I have to say  I don't have any pain in kidneys or back. I can't see anywhere people talking about detoxification symptoms while doing a kidney cleanse, apart from the pain experienced when passing stones and the increase of urine production of course. I don't think I have stones due to the huge amount of malic acid and lemons I've taken since monthes now. So what could be the cause of those symptoms (the burning) if I don't have any stones?

It could be great if someone could answer this quickly, as I really need to know if I'm doing more harm than good now!

Kcirla