Welireg

Before taking belzutifan, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: bleeding/blood disorders (such as anemia).

This drug may make you dizzy or cause blurred vision. Alcohol or marijuana (cannabis) can make you more dizzy. Do not drive, use machinery, or do anything that needs alertness or clear vision until you can do it safely. Limit alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis).

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

You should not become pregnant while using belzutifan. If you or your partner becomes pregnant, talk to your doctor right away about the risks and benefits of this medication. (See also Warning section.)

It is unknown if this medication passes into breast milk. Because of the possible risk to the infant, breastfeeding is not recommended while using this medication and for 1 week after the last dose. Consult your doctor before breastfeeding.

Do not share this medication with others.

Lab and/or medical tests (such as complete blood counts, oxygen levels in your body, liver/kidney function, blood glucose) should be done while you are taking this medication. Keep all medical and lab appointments.

Tell your doctor if you are pregnant or plan to become pregnant. You should not become pregnant while using belzutifan. Belzutifan may harm an unborn baby. Your doctor should order a pregnancy test before you start this medication. Women using this medication should ask about reliable forms of non-hormonal birth control during treatment and for 1 week after the last dose. Men using this medication should ask about reliable forms of birth control during treatment and for 1 week after the last dose. If you or your partner becomes pregnant, talk to your doctor right away about the risks and benefits of this medication.

Read the Medication Guide provided by your pharmacist before you start taking belzutifan 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. Swallow the tablets whole. Do not chew, crush, or split the tablets. The dosage is based on your medical condition and response to treatment.

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

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

Tell your doctor if your condition does not get better or if it gets worse.

If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center.

Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

This medication can speed up the removal of other medications from your body, which may affect how they work. Examples of affected drugs include daridorexant, elacestrant, some hepatitis C drugs (such as asunaprevir, ombitasvir-paritaprevir-ritonavir), lonafarnib, among others.

This medication may decrease the effectiveness of hormonal birth control such as pills, patch, or ring. This could cause pregnancy. Discuss with your doctor or pharmacist if you should use reliable backup birth control methods while using this medication. Also tell your doctor if you have any new spotting or breakthrough bleeding, because these may be signs that your birth control is not working well.

If you miss a dose, take it as soon as you remember on the same day. If it is the next day when you remember, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.

Store at room temperature away from light and moisture. Keep the drying agent (desiccant canisters) in the bottle. Do not store in the bathroom. Keep all medications away from children and pets.

Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.