Lapatinib Ditosylate and Sodium polystyrene sulfonate Rectal

• Generic Name: lapatinib
• Dosage Forms: n.a.
• Other Brand Names: Tykerb

In combination with letrozole for treatment of hormone receptor-positive metastatic breast cancer that overexpresses the human epidermal receptor type 2 (HER2) protein in postmenopausal women who are candidates for hormonal therapy. Combined therapy with lapatinib and an aromatase inhibitor has not been compared with trastuzumab-containing chemotherapy for treatment of metastatic breast cancer.

In combination with capecitabine for treatment of advanced or metastatic breast cancer in patients whose tumors overexpress HER2 and who have received prior therapy including an anthracycline, a taxane, and trastuzumab.

• Generic Name: sodium polystyrene sulfonate
• Dosage Forms: n.a.
• Other Brand Names: Kalexate, Kayexalate, Kionex

Sodium polystyrene sulfonate is used to treat high levels of potassium in the blood, also called hyperkalemia.

Sodium polystyrene sulfonate is available only with your doctor's prescription.