This abnormal hemoglobin can form as a result of chronic constipation and represents an irreversible change to the hemoglobin molecule which cannot carry oxygen and will persist until the RBCs carrying this abnormal hemoglobin are removed from the circulation.

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This abnormal hemoglobin is called sulfhemoglobin, which can form as a result of chronic constipation or the use of certain medications. It is an irreversible change to the hemoglobin molecule, causing it to be unable to carry oxygen. This abnormal hemoglobin will persist until the RBCs carrying it are removed from the circulation. Carboxyhemoglobin and methemoglobin are also abnormal hemoglobins, but they are not associated with chronic constipation.

This Abnormal Hemoglobin Can Form as a Result of Chronic