Clay can be taken for as long as you want ... 20 years if it is good quality.
Take some probiotics, and try to increase consumption of foods that contain natural probiotics and natural digestive enzymes like yogurt, sour cream, pickled vegetable, sour cabbage, apple-cider, fermented carrot juice, fermented vegetable juice ...
If you can't go of intestinal cleanse, it means your intestinal flora is too weak.
Start liver cleansing, and do 5 flushes at least, every 2 weeks one.
Avoid chlorinated water, avoid Antibiotics
, avoid Sugar
and any other concentrated sweetener!
You have systemic candida problem! Read about candida on this web site!
best of health