I been having a metallic taste in my mouth for over a year and the doctor did a upper gi and a colonostophy and i have pain in my stomach he put meds?

Further eval needed: A disturbance in special sensory nerves should also be ruled out. Consult with a neurologist. Patients have also found relief with the help of a Nutritionists and Functional Medicine specialists. I also recommend a thorough dental examination including comprehensive periodontal exam.. Are you on any medications as dysguesia can be a unreported side effect.