You might also have other symptoms of something wrong, such as a loss of appetite, stuffy nose, poor sense of smell, vomiting or a swollen or inflamed throat or tonsils. In some cases, the metallic taste in mouth could be a sign of a much more serious problem. If you are experiencing any of the following symptoms, get to the doctor immediately:

As far as the metallic smell in the nose is concerned, although some people do report smelling metal after they exercise, we need to rule out other causes first. This can be due to a recurrence of the sinus infection or a neurological issue. Nov 20, 2017 · In fact, 52 to 72 percent of conditions affecting your sense of smell are related to a sinus issue. Nose-related causes include: ... such as having a metallic taste in the mouth. Most people only ... As far as the metallic smell in the nose is concerned, although some people do report smelling metal after they exercise, we need to rule out other causes first. This can be due to a recurrence of the sinus infection or a neurological issue.