Chronic
calcium deficiency can affect the
skin and nails. The
skin may become
dry and itchy, and researchers have linked hypocalcemia to eczema and psoriasis. Eczema is a general term for
skin inflammation. Symptoms include itchiness, redness, and
skin blisters.A calcium deficiency may lead to dry, broken, and brittle nails. It can also contribute to alopecia, a condition that causes hair to fall out in round patches.