Doxylamine and pseudoephedrine and Lapatinib Ditosylate

• Generic Name: doxylamine / pseudoephedrine
• Dosage Forms: n.a.
• Other Brand Names: Lortuss LQ

Doxylamine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose.

Pseudoephedrine is a decongestant that shrinks blood vessels in the nasal passages. Dilated blood vessels can cause nasal congestion (stuffy nose).

Doxylamine and pseudoephedrine is a combination medicine used to treat runny or stuffy nose, sneezing, itching, watery eyes, and sinus congestion caused by allergies, the common cold, or the flu.

Doxylamine and pseudoephedrine may also be used for purposes not listed in this medication guide.

• 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.