How should I take letrozole and ribociclib?
Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.
It is best to take this medicine in the morning, but take it at the same time each day. You may take letrozole and ribociclib with or without food.
Letrozole and ribociclib is given in a 28-day treatment cycle. On days 1 through 21, you will take both ribociclib and letrozole together at the same time each day. During the last 7 days you will take only letrozole each day.
Your doctor may occasionally change the number of tablets in your dose. Follow all dosing instructions very carefully.
Swallow each tablet whole and do not crush, chew, or break it. Do not take any tablet that is broken or cracked.
If you vomit shortly after taking a tablet, do not take another dose. Wait until your next scheduled dose time to take the medicine again.
This medicine can cause a serious heart rhythm or lung problem. Call your doctor at once if you have fast or pounding heartbeats, severe dizziness, or trouble breathing, and shortness of breath.
You will need frequent medical tests while taking letrozole and ribociclib. Your cancer treatments may be delayed based on the results of these tests.
Do not change your dose or stop taking this medicine without your doctor's advice.
Store each medicine in its original container at room temperature, away from moisture and heat.