Generally, when a sneeze has an odor, it may point to an underlying nasal or sinus infection, according to Health Guidance. Depending on the nature of the smell, this could be a yeast infection.Know More
Since air that is expelled from the nose comes directly from the lungs and not via the mouth, it is more unusual for it to have an odor. It could therefore be related to cancers of the airways, kidney and liver disease or, in diabetics, ketoacidosis, which is a serious complication.
On the other hand, it might be something much simpler, such as a crusting around the nose that has picked up a minor bacterial infection.
If the problem is ongoing, and especially if others can detect the odor, then a physician should be consulted.Learn more about Allergies
Scientists attribute the cause of multiple sneezes in a row to each person's specific neurological and immunological makeup, according to an article in Science Line. People who tend to have various allergies are the most likely to sneeze several times in a row.Full Answer >
Foul smells found in the sinus cavity come from a sinus infection, an inflammation or swelling of the sinuses. Normally, sinuses are filled with air, but a sinus infection causes fluid entrapment inside a sinus blockage. Bacterial growth within that fluid is the source of the foul odor, states WebMD.Full Answer >
The most common illnesses that cause a loss of smell, or anosmia, include a sinus infection, the common cold, influenza, hay fever and nonallergic rhinitis, according to the Mayo Clinic. Nonallergic rhinitis is a condition that results in sneezing and congestion.Full Answer >
According to the Cleveland Clinic, anyone can suddenly develop an allergy to shellfish. They report that a shellfish allergy actually is more common in adults and older children.Full Answer >