cancer
1. Itching All Over the Body Without a Rash
Generalized itching that affects large areas of the body without visible skin changes can sometimes be associated with internal medical conditions rather than skin disorders.
Potential causes include:
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- Liver disease
- Kidney disease
- Thyroid disorders
- Iron-deficiency anemia
- Diabetes
- Certain blood disorders
In some cases, persistent whole-body itching has also been reported in people diagnosed with specific cancers, particularly blood-related cancers such as lymphoma.
