A 67-year-old woman presented to the hospital with complaints of abdominal pain. Physical exam was significant for signs of severe dehydration, mild epigastric tenderness and multiple non-tender hard nodules over her arms and thighs. Incidental finding of severe hypercalcemia led to negative workups for hyperparathyroidism, vitamin D intoxication, and malignancy. However, elevated levels of 1,25-hydroxy vitamin D raised the possibility of granulomatous diseases. Imaging and patient report revealed silicone-induced foreign body granulomatous reaction as the cause of hypercalcemia. Use of silicone for cosmetic enhancement of body contours can result in siliconomas, severe hypercalcemia, and complications. Treatment is unestablished for this condition. Increasing prevalence of cosmetic enhancement should prompt vigilance for this rare disease entity. Providers should counsel and educate individuals undergoing such procedures.

Hyperkalemia, a potential life threating condition, is a commonly encountered problem in chronic kidney disease (CKD) patients. Patiromer acetate, a nonabsorbable cation exchange polymer, is a gastrointestinal agent for chronic therapy in patients with persistent hyperkalemia. Patiromer is generally well tolerated in patients; common side effects are gastrointestinal, such as diarrhea, constipation, flatulence, and vomiting. Hypercalcemia, although a theoretical possibility, has not been reported in any major clinical trials. We present a case of hypercalcemia associated with patiromer acetate used for treatment of hyperkalemia in a stage IV CKD patient. Clinicians should be aware of the possibility of hypercalcemia while taking patiromer.

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