People with hypothyroidism may want to consider minimizing their intake of gluten, a protein found in foods processed from wheat, barley, rye, and other grains, says Ruth Frechman, RDN, a dietitian and nutritionist in the Los Angeles area and a spokesperson for the Academy of Nutrition and Dietetics.
Yellow Nails. One of the most common causes of yellow nails is a fungal infection. As the infection worsens, the nail bed may retract, and nails may thicken and crumble. In rare cases, yellow nails can indicate a more serious condition such as severe thyroid disease, lung disease, diabetes or psoriasis. Swipe to advance.
Tertiary hypothyroidism - Brittle finger nails Xeroderma. Brittle fingernails: Tools. Symptom Checker Â» Drug side effect causes of Brittle fingernails . The following drugs, medications, substances or toxins may possibly cause Brittle fingernails as a side effect. Oxypentifylline Trental Cyclosporine; Sandimmune; Consupren [See detailed list of 8 drug side effect causes of Brittle fingernails]