bosentan 125 mg tablet

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Medication name

Generic name:
Bosentan - oral

Pronunciation
(boe-SEN-tan)

Brand name(s)
Tracleer

Warning

Talk with your doctor about the benefits and risks of taking this medication. Bosentan can have serious side effects. For patients to receive this medication, all doctors, pharmacists, and patients must agree to, understand, and carefully follow the requirements of the Bosentan Shared System REMS Program. These requirements apply in the United States. If you live in Canada or any other country, consult your doctor and pharmacist for your country's regulations.

Bosentan may rarely cause serious (possibly fatal) liver damage. Rarely, liver problems have happened in people after stopping treatment with bosentan. Your doctor will perform liver function tests before you start treatment and once a month during treatment. Tell your doctor right away if you notice dark urine, loss of appetite, persistent nausea/vomiting, stomach/abdominal pain, or yellowing eyes/skin.

Bosentan must not be used during pregnancy because it may cause serious harm (such as birth defects) in an unborn baby. Women of childbearing age must have a negative pregnancy test before starting this medication and monthly during treatment. Use at least two reliable forms of birth control while taking bosentan and for at least one month after stopping bosentan as directed by your doctor to prevent pregnancy. If you become pregnant or think you may be pregnant, tell your doctor right away. (See also Precautions section.)

Uses

Bosentan is used to treat high blood pressure in the lungs (pulmonary arterial hypertension). This condition is thought to be caused by increased levels of a certain natural substance (endothelin-1). This medication blocks the effects of endothelin-1, thereby helping to decrease the blood pressure in the lungs, slow the worsening of symptoms from the disease, and improve your ability to exercise.

How to use

Read the Medication Guide provided by your pharmacist before you start using bosentan and each time you get a refill. If you have any questions, consult your doctor or pharmacist.

Take this medication by mouth with or without food as directed by your doctor, usually twice daily (in the morning and evening).

The dosage is based on your medical condition, weight, 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). Your doctor may start you on a lower dose of this medication and then increase the dose after several weeks.

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

Do not stop taking this medication without consulting your doctor. Some conditions may become worse when the drug is suddenly stopped. Your dose may need to be gradually decreased.

Women who are pregnant or who may become pregnant should not handle the tablets or breathe the dust from this medication. Do not crush the tablets because doing so will increase exposure to the dust.

Tell your doctor if your condition persists or worsens.

Side effects

See also Warning section.

Dizziness, flushing, stuffy nose, or joint pain may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor right away if you have any serious side effects, including:

  • fast/pounding heartbeat
  • unusual tiredness
  • swelling ankles/feet
  • unusual/sudden weight gain
  • fainting
  • shortness of breath
  • coughing up blood

In men, this medication can decrease sperm production, which may affect the ability to father a child. Talk to your doctor for more details.

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including:

  • fever
  • swollen lymph nodes
  • rash
  • itching/swelling (especially of the face/tongue/throat)
  • severe dizziness
  • trouble breathing

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Precautions

See also Warning section.

Before taking bosentan, 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:

  • liver disease
  • anemia

This drug may make you dizzy. Alcohol or marijuana (cannabis) can make you more dizzy. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Avoid alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis). Alcohol may also increase the risk of serious liver problems.

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

This medication must not be used during pregnancy. It may harm an unborn baby. Therefore, it is important to prevent pregnancy while using this medication. Discuss the use of at least two reliable forms of birth control (such as condoms, birth control pills) with your doctor. If you become pregnant or think you may be pregnant, tell your doctor right away.

It is not known whether this medication passes into breast milk. Because of the possible risk to the infant, breast-feeding while using this medication is not recommended. Consult your doctor before breast-feeding.

Drug interactions

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.

Other medications can affect the removal of bosentan from your body, which may affect how bosentan works. Examples include cyclosporine, HIV protease inhibitors (such as atazanavir), among others.

This drug can speed up the removal of other drugs from your body, which may affect how they work. Examples of affected drugs include glyburide, certain products used to treat chronic hepatitis C (asunaprevir, ombitasvir/paritaprevir/ritonavir), 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 about using an additional reliable birth control method 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.

Overdose

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. Symptoms of overdose may include: severe headache, severe dizziness, nausea, vomiting.

Notes

Do not share this medication with others.

Laboratory and/or medical tests (such as liver function tests, pregnancy tests, hemoglobin, hematocrit) should be performed before you start treatment, and periodically to monitor your progress or check for side effects. Consult your doctor for more details.

Missed dose

If you miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Use your next dose at the regular time. Do not double the dose to catch up.

Storage

Store at room temperature away from light and moisture. 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.

Important note

HOW TO USE THIS INFORMATION: This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.

Information last revised May 2019.

Selected from NATIONAL DRUG DATA FILE (NDDF) data included with permission and copyrighted by First Databank, Inc., 2019. This copyrighted material has been downloaded from a licensed data provider.

The above information is intended to supplement, not substitute for, the expertise and judgment of your health care professional. You should consult your health care professional before taking any drug, changing your diet, or commencing or discontinuing any course of treatment.