gustatory system AE parageusia AE 10033793 味觉颠倒 JX, LW, YH Parageusia AE is a gustatory system AE which is the medical term for a bad taste in the mouth. One common form of parageusia is a metallic taste of food. This can be a side effect of several medications, such as acetazolamide, eszopiclone, zopiclone, metronidazole, or etoposide. Metallic taste is also a type of dysgeusia which is frequently associated with infections in the mouth or upper airways. WEB: http://en.wikipedia.org/wiki/Parageusia