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[[WhenToWorry]]
|##### When to Worry?
|If you have a new or ongoing cough, a high temperature (fever) or you've noticed a change in your sense of smell or taste, you may have coronavirus (COVID-19). [Read more about coronavirus](https://www.your.md/condition/coronavirus-covid19) or use our [Coronavirus Risk Assessment](https://www.your.md/quiz/coronavirus-risk-assessment) to check your risk.

Conditions
----------

*   [Diphtheria](#diphtheria)
*   [Laryngitis](#laryngitis)
*   [Tonsillitis](#tonsillitis)

Diphtheria
----------

Diphtheria is a contagious bacterial infection that mainly affects the nose and throat.

#### Symptoms of this condition may include:

*   High temperature
*   Sore throat
*   White spots on tonsils
*   Shivering or rigors
*   Difficulty speaking

Our Health A-Z contains more information on [**Diphtheria**](/condition/diphtheria/#symptoms).

[If you are worried about this condition you can try our free AI Symptom Checker here.](https://webapp.your.md/login?utm_source=yourmd&utm_medium=in-article&utm_campaign=your-symptoms)

Laryngitis
----------

Laryngitis is inflammation of the larynx (voice box).

#### Symptoms of this condition may include:

*   Change of voice
*   Sore throat
*   Difficulty speaking
*   High temperature
*   Cough

Our Health A-Z contains more information on [**Laryngitis**](/condition/laryngitis/#symptoms).

[If you are worried about this condition you can try our free AI Symptom Checker here.](https://webapp.your.md/login?utm_source=yourmd&utm_medium=in-article&utm_campaign=your-symptoms)

Tonsillitis
-----------

Tonsillitis is inflammation of the tonsils.

#### Symptoms of this condition may include:

*   Sore throat
*   White spots on tonsils
*   Difficulty speaking
*   Unusually tired
*   High temperature

Our Health A-Z contains more information on [**Tonsillitis**](/condition/tonsillitis/#symptoms).

[If you are worried about this condition you can try our free AI Symptom Checker here.](https://webapp.your.md/login?utm_source=yourmd&utm_medium=in-article&utm_campaign=your-symptoms)

Conditions related to Difficulty speaking and Sore throat