Dry skin can easily be seen and no tests are needed for that. However, the cause of the dry skin could be an internal disorder, like hypothyroidism, or another skin disease that manifests as dryness. Testing would be important in these cases.
There are a number of related skin conditions that cause dry skin. These include:
- Keratosis pilaris
- Ichthyosis vulgaris
- Asteatotic eczema (eczema craquele)
- Psoriasis
Follow the link below for details about these conditions.
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