Aller7, Bio-allers Or Kidney Cleanse/allergy Cleanse???

I have been dealing with allergies forever. I've used every otc and prescription pill and nasal spray. I'm allergic to dust, smoke, pets, seasonal allergies..Pretty much everything except food allergies.
Well the only thing that worked for a short period of time was zertec but it wore off when my body got used to it. It did help with a chronic cough I was having. Well I am now desperate to try something new since nothing else is working. I'm thinking about trying aller7, bio-allers or some type of kidney cleansing which is usually for removing stones but I heard it helps with allergies too. Sounds scary but i'll try anything at this point.
Does anyone have any exp with these products or remedies. I'm looking for positive/negative feedback or even exp. With other herbal products that have helped.
Any help would be great..I'm soo tired of allergies destroying my life

thanks,
bill