What are small itchy red bumps on upper body and diarrhea?

There are many possible causes of small itchy red bumps on the upper body and diarrhea, including:

Viral infections:, such as measles, rubella, and chickenpox, can cause a rash and diarrhea.

Bacterial infections:, such as scarlet fever and staph infections, can also cause a rash and diarrhea.

Fungal infections:, such as ringworm, can cause itchy, red bumps on the skin.

**Allergic reactions:, such as to food, pollen, or insect bites, can cause hives, which are itchy, red bumps on the skin.

**Eczema:, also known as atopic dermatitis, is a skin condition that causes itchy, red, and inflamed skin.

**Psoriasis:, is a skin condition that causes red, scaly patches on the skin.

**Hives:, are itchy, red, and swollen areas of the skin that can be caused by allergies, certain medications, or stress.

**Scabies:, is a skin condition caused by tiny mites that burrow under the skin. It causes intense itching and a rash of small, red bumps.

If you are experiencing small itchy red bumps on your upper body and diarrhea, it is important to see a doctor to get a diagnosis and treatment. The doctor may order blood tests, stool tests, or skin biopsies to determine the cause of your symptoms. Treatment will depend on the underlying cause of your symptoms.