What are signs and symptoms of Johnson syndrome?

Signs and symptoms of Stevens-Johnson syndrome include:

- Painful red or purplish areas on the skin, typically starting on the face, arms, and legs

- Blisters that break and peel, leaving raw, red skin

- Mucous membrane involvement, which can cause:

- Painful sores in the mouth, throat, eyes, nose, and genitals

- Difficulty swallowing

- Vision problems

- Bloody diarrhea

- Painful urination

- Fever

- Fatigue

- Muscle aches

- Headache

- Cough

In some cases, Stevens-Johnson syndrome can also lead to:

- Dehydration

- Sepsis (a life-threatening blood infection)

- Pneumonia

- Kidney failure

- Liver failure

- Death