Diphtheria is a contagious bacterial infection that mainly affects the nose and throat.
Our Health A-Z contains more information on Diphtheria.
If you are worried about this condition you can try our free AI Symptom Checker here.
Nasopharyngeal cancer is cancer that affects the nasopharynx.
Our Health A-Z contains more information on Nasopharyngeal cancer.
If you are worried about this condition you can try our free AI Symptom Checker here.
Important: If you have these symptoms, they may be unrelated to any of these conditions listed. If you are concerned about your symptoms then you should see a doctor.