Bosentan Viatris (Bosentan)
Complete patient guide for uses, dosage, side effects, and safety information
Quick Facts
What Is Bosentan Viatris Used For?
Bosentan Viatris is a medication that contains the active ingredient bosentan, used primarily to treat pulmonary arterial hypertension, a condition characterized by high blood pressure in the blood vessels that connect the heart to the lungs.
Primary Uses
It is used to manage pulmonary arterial hypertension.
How It Works
Bosentan works by widening blood vessels to reduce high blood pressure.
Good to know: Bosentan Viatris is not considered addictive.
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How to Take Bosentan Viatris
Bosentan Viatris should be taken as prescribed by your doctor, typically in the form of a tablet.
Dosage Instructions
The usual starting dose is one 62.5 mg tablet taken twice daily for the first 4 weeks. After this period, your doctor may increase the dose to one 125 mg tablet taken twice daily based on your response.
What If You Miss a Dose?
If you miss a dose, take it as soon as you remember unless it's almost time for your next dose. In that case, skip the missed dose and continue with your regular schedule. Do not take a double dose.
Important: Never double your dose to make up for a missed one.
Available Tablet Strengths
Side Effects
Like all medications, this medicine can cause side effects. Most are mild and temporary, but some require medical attention.
Common Side Effects
These side effects occur relatively frequently and usually don’t require emergency care:
- Headache
- Respiratory tract infection
- Dizziness
- Anaemia
- Swelling of ankles, legs, or joints
- Low blood pressure
- Tiredness
Seek immediate medical attention if you experience:
- Shortness of breath
- Anaphylaxis
- Nausea
- Vomiting
- Fever
- Stomach pain
- Jaundice
- Chest pain
Important Warnings
There are several important warnings associated with Bosentan Viatris that patients should be aware of.
Who Should Not Take Bosentan Viatris
Do not take this medication if you are allergic to bosentan or any of its ingredients, if you are pregnant or breastfeeding, or if you have moderate to severe liver disorders.
Medical Conditions to Discuss
Discuss with your doctor if you have conditions such as anaemia, low blood pressure, liver or kidney problems, heart disease, or if you are taking other medications.
Pregnancy and Breastfeeding
Bosentan Viatris can cause birth defects and should not be used during pregnancy. Women of childbearing potential must have a negative pregnancy test before starting treatment and monthly thereafter. It is advised to stop breastfeeding if taking this medication.
Elderly Patients With Dementia: Special caution is advised for elderly patients, particularly those with dementia.
Drug Interactions
Bosentan Viatris may interact with several other medications, which can affect how it works.
Grapefruit interaction: There is no specific mention of grapefruit interactions in the source.
- Hormonal contraceptives
- Simvastatin
- Glibenclamide
- Ketoconazole
- Rifampicin
- Cyclosporine A
- Warfarin
- Sildenafil
- Phenytoin
- St John's Wort
Alcohol & Driving
Precautions should be taken regarding alcohol consumption and driving while on Bosentan Viatris.
Alcohol
Consult your doctor if you consume alcohol, as its effects in conjunction with Bosentan Viatris are not well documented.
Driving and Operating Machinery
Be cautious when driving or operating machinery, especially if you experience dizziness or blurred vision.
Storage
Store Bosentan Viatris below 25°C and protect it from moisture. Keep it in a cool, dry place away from heat and sunlight, and out of reach of children.
Overdose Information
If you suspect an overdose of Bosentan Viatris, seek immediate medical attention. Contact your doctor or the Poisons Information Centre at 13 11 26 in Australia.
Frequently Asked Questions
The effects of Bosentan Viatris can vary by individual, but it is typically used to manage symptoms of pulmonary arterial hypertension.
Bosentan Viatris can be taken with or without food.
No, Bosentan Viatris is not considered addictive.
Do not stop taking Bosentan Viatris suddenly without consulting your doctor, as it may worsen your symptoms.
Consult your doctor regarding alcohol consumption while on Bosentan Viatris.
Weight gain is not specifically mentioned as a side effect of Bosentan Viatris.
Elderly patients should use Bosentan Viatris with caution, especially those with dementia.
Important Disclaimer
This information is intended for general educational purposes only and should not be considered medical advice. Always consult your healthcare provider or pharmacist before starting, stopping, or changing any medication.
If you think you may have a medical emergency, call your doctor or emergency services immediately.