The 'grainy skin' you describe is possibly a form of keratosis
While this skin disorder is often harmless as far as your general
health is concerned -- that is not always the case. In fact, some
forms of keratosis are pre-cancerous.
Because of this is important that you have a doctor examine your skin to determine exactly what is going on.
While this is probably not a medical emergency -- this symptom should
not be ignored. I urge you to make a point with your doctor this
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