Ranexa treats ongoing chest pain. Do not break, crush, or chew tablets. Swallow tablets whole.

Ranexa Overview


Ranexa is a prescription medication used to treat chronic angina (ongoing chest pain). It belongs to a group of drugs called antianginals. The exact way it works is unknown. Ranexa is used to prevent angina attacks. It will not lessen an attack that has already begun.

Ranexa comes in an extended-release (long-acting) tablet. It is usually taken twice daily, with or without food. Ranexa tablets should be swallowed whole and not crushed, broken, or chewed.

Common side effects include nausea, constipation, and headache. Ranexa can cause dizziness. Do not drive or operate heavy machinery until you know how it affects you.

How was your experience with Ranexa?

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What are you taking Ranexa for?

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  • Other
  • Angina Pectoris

How long have you been taking it?

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  • Less than a week
  • A couple weeks
  • A month or so
  • A few months
  • A year or so
  • Two years or more

How well did Ranexa work for you?

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Ranexa Cautionary Labels


Uses of Ranexa

Ranexa is a prescription medication used to treat chronic angina (ongoing chest pain).

This medication may be prescribed for other uses. Ask your doctor or pharmacist for more information.



For more information on this medication choose from the list of selections below.

Side Effects of Ranexa

Common side effects include:

  • dizziness
  • nausea
  • constipation
  • headache
  • slow heart rate
  • palpitations
  • stomach pain
  • dry mouth
  • vomiting

This is not a complete list of Ranexa side effects. Ask your doctor or pharmacist for more information.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.