About 20% of patients who use Dovonex report that it causes skin irritation, burning, and/or stinging4. A smaller number of patients report side effects of dry skin, skin peeling, stinging, tingling, skin rash, or worsening of psoriasis symptoms.
Side Effects: Drinking large amounts of cranberry juice can cause gastrointestinal issues such as diarrhea. Drinking large amounts of water in a short time can lead to a potentially fatal condition known as hyponatremia, which is an imbalance of electrolytes in your body.
I too am trying the Cystex pills as well as the Cystex cranberry liquid and I feel 90% better (I am still working on getting rid of mine)! As mentioned, one tablespoon of liquid equals eight glasses of cranberry juice. It also contains vitamin c, but I'm taking an extra vit c supplement to be sure.