Take tucatinib exactly as your healthcare provider tells you.
Tucatinib is used with the medicines trastuzumab and capecitabine. Your healthcare provider will tell you the dose of trastuzumab and capecitabine you will take and how you will receive them.
Take tucatinib 2 times a day, with or without a meal.
Take tucatinib about 12 hours apart or at the same times every day.
Swallow tucatinib tablets whole. Do not chew, crush, or split tucatinib tablets before swallowing. Do not take tucatinib tablets if they are broken, cracked, or damaged.
