Serum TSH Levels Normalisation in Patients Affected by Autoimmune Atrophic Gastritis, After the Switch From Oral L-T4 in Tablet Form to L-T4 in Liquid Formulation

Patients affected by autoimmune atrophic gastritis could have some issues in L-thyroxine (L-T4) absorption, due to drug malabsorption, induced by the increased gastric pH. Different factors influence L-T4 absorption, such as dietary habits, interference with other drugs, absorption kinetics, age of the patient, adherence to therapy, and others. We enrolled 36 patients affected by autoimmune atrophic gastritis with high serum thyrotropin (TSH)...