We're On It. One customer service rep who worked for Comcast from 2005 to 2014 at a Tennessee call center says the Make It Right cards didn't necessarily lead to faster resolution, however. A search of the Comcast support forums shows this is true at least some of the time.
What causes a metallic smell? Quick Answer. Reactions between chemical compounds on the skin and metals such as iron and copper can generate a metallic smell, explains Nature. A copper imbalance in the body, which triggers excessive yeast growth, can also cause a metallic odor, notes Dr. Lawrence Wilson.
All the above medications have side effects that include producing metallic taste in mouth. Oral problems like periodontitis and gingivitis can also cause this taste. It can be the symptom or warning sign for underlying disease like cancer, ulcer, food allergy and lichen planus. Many kinds of poisoning like lead poison, mercury poison, iodine poison, cadmium poison, selenium toxicity, increased copper level can produce metallic taste in your mouth.