Common side effects of Finacea Gel include application site reactions (burning, stinging, tingling, dryness, tightness, scaling, itching, redness, irritation), dizziness, headache, diarrhea, nausea, stomach pain, loss of appetite, constipation, changes in taste, furry tongue, and dry mouth.
Candida Overgrowth. Yes, sometimes people with Candida overgrowth experience a strong metallic bitter taste as a result of the toxins it emits. I have found that taking pantethine and molybdenum helped greatly with undesirable tastes in the mouth caused by candida. Hormone Imbalance.
Re: tongue coating and reflux. Wolfman--yes, candidia can have an affect on the digestive system. Candidia overgrowth is a yeast infection. It is common in the mouth and throat in babies and is called thrush.