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Conditions
----------

*   [Pyelonephritis](#kidney-infection)
*   [Typhoid fever](#typhoid-fever)

Pyelonephritis
--------------

A kidney infection is a painful and unpleasant illness that usually happens when bacteria travel up from your bladder into one or both of your kidneys.

  

#### Symptoms of this condition may include:

*   Passing more urine than usual
*   Unusually tired
*   Pain when passing urine
*   High temperature
*   Lower back pain

Our Health A-Z contains more information on [**Pyelonephritis**](/condition/kidney-infection/#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)

Typhoid fever
-------------

Typhoid fever is a bacterial infection that can spread throughout the body, affecting many organs.

  

#### Symptoms of this condition may include:

*   Feeling sick or nausea
*   Abdominal pain
*   Constipation
*   Diarrhoea
*   High temperature

Our Health A-Z contains more information on [**Typhoid fever**](/condition/typhoid-fever/#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 High temperature, Feeling sick or nausea and Unusually tired