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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.
Laryngitis is inflammation of the larynx (voice box).
Our Health A-Z contains more information on Laryngitis.
Tonsillitis is inflammation of the tonsils.
Our Health A-Z contains more information on Tonsillitis.
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.