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.
But regular women would need to drink at least two glasses of cranberry juice a day over a long period of time to prevent an infection, the researchers said. However, it's unclear whether cranberry-based products such as pills may be able to offer more of a benefit than juice.