Less common symptoms

<p>Other signs and symptoms that may occur include pallor, orthostatic hypotension (that may reflect a low plasma volume), visual blurring, papilledema, weight loss, polyuria, polydipsia, constipation, increased erythrocyte sedimentation rate, hyperglycemia, leukocytosis, psychiatric disorders, and rarely, secondary erythrocytosis due to overproduction of erythropoietin</p>