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Available in the form of a tablet, bosentan is prescribed to treat pulmonary arterial hypertension (PAH). This drug is taken twice daily, in the morning and evening. It works by preventing the blood vessels from constricting (narrowing). Chest pain, swelling, and headaches are some of the possible side effects.


What Is Bosentan?

Bosentan (Tracleer®) is a prescription medication approved to treat pulmonary arterial hypertension (PAH). PAH is high blood pressure in the blood vessels of the lungs. Bosentan can help people with PAH by improving their ability to exercise and by slowing down how quickly their condition gets worse.
(Click What Is Bosentan Used For? for more information on this topic, including possible off-label uses.)

Are There Side Effects?

Just like any medicine, bosentan can cause side effects. However, not everyone who takes the drug will have problems. In fact, most people tolerate it quite well.
If side effects do occur, in most cases, they are minor and either require no treatment or are treated easily by you or your healthcare provider. Serious reactions are less common.
Some of the most common side effects seen with bosentan include but are not limited to:
  • Respiratory tract infections, such as the common cold
  • Headache
  • Swelling due to fluid retention (edema), usually in the legs, ankles, and feet
  • Chest pain.
(Click Bosentan Side Effects to learn more, including potentially serious side effects you should report immediately to your healthcare provider.)

Bosentan Drug Information

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