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

This medication is given by injection into a vein over 1 hour as directed by your doctor. It is usually given once a week for 3 weeks followed by a 1-week rest period. The cycle is then repeated as directed by your doctor. The dosage is based on your medical condition, response to treatment, 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, mark the days on the calendar when you need to receive the medication.