Lapatinib

• Nausea and vomiting
• Diarrhea
• Palms of the hands or soles of the feet may become numb, sore, red or dry
  Especially if Lapatinib is taken together with Capecitabine.
• Rash, dry skin, itch
• Tiredness and lack of energy

Inform your doctor if any of the following occurs:

• Fever of 38°C or higher
• Sores or ulcers in mouth and throat
• Unusual bleeding, bruising or black tarry stools
• Rapid or irregular heartbeat
• Chest pain, cough or shortness of breath
• Unusual water retention or swelling of the hands or feet
• Yellowing of the skin or eyes or dark tea-coloured urine
• Side effects become severe

• Use effective birth control during treatment with Lapatinib. Inform your doctor if you suspect pregnancy.
• Inform your doctor or pharmacist if you are taking any other medication or supplements.

Avoid taking grapefruit or its juice while you are on Lapatinib.​