Read the Patient Information Leaflet if available from your pharmacist before you start taking ribociclib and each time you get a refill. If you have any questions, ask your doctor or pharmacist.

Take this medication by mouth with or without food as directed by your doctor, usually once daily in the morning for 21 days, then stopping the medication for 7 days. This is one cycle of treatment. Keep taking the medication this way as directed by your doctor.

Swallow the tablet(s) whole. Do not crush, chew, or break the tablet(s). Also, do not take a tablet that is damaged or broken.

If you vomit after taking a dose, do not take another dose at that time. Take your next dose at the regular time.

The dosage is based on your medical condition, response to treatment, lab tests, and other medications you may be taking. Be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Use this medication regularly to get the most benefit from it. To help you remember, take it at the same time each day.

Do not increase your dose or use this drug more often or for longer than prescribed. Your condition will not improve any faster, and your risk of serious side effects will increase.

Avoid eating grapefruit or drinking grapefruit juice while using this medication unless your doctor or pharmacist says you may do so safely. Grapefruit can increase the chance of side effects with this medicine. Ask your doctor or pharmacist for more details.

Since this drug can be absorbed through the skin and lungs and may harm an unborn baby, women who are pregnant or who may become pregnant should not handle this medication or breathe the dust from the tablets.