Common Use of Ranexa

Ranexa is prescribed to treat chronic angina (chest pain). It improves blood flow to the heart, helping it work more efficiently. Unlike other angina medications, ranolazine works by regulating sodium and calcium movement in heart muscle cells.

Dosage and Directions for Ranexa

Take Ranexa exactly as prescribed by your doctor:

• Take orally, typically twice daily
• Can be taken with or without food
• Swallow extended-release tablets whole, do not crush, chew, or split

Important Precautions

Before taking Ranexa:

• Inform your doctor about liver or kidney problems
• Mention any personal or family history of QT prolongation
• Avoid grapefruit products as they may increase side effects

Contraindications for Ranexa

Ranexa should not be used in these situations:

• If you have severe liver impairment
• If taking certain drugs affecting liver enzymes (like strong CYP3A inhibitors or inducers)
• Not approved for acute angina attacks

Possible Side Effects

Common side effects of Ranexa include:

• Dizziness
• Constipation
• Headache
• Nausea

Serious but rare effects may involve heart rhythm changes (QT prolongation) or kidney problems.

Drug Interactions

Ranexa may interact with:

• Diltiazem
• Ketoconazole
• Various antiarrhythmics
• Certain antidepressants

Always disclose all medications and supplements to your healthcare provider.

Missed Dose Instructions

If you miss a Ranexa dose:

• Take it as soon as you remember
• If close to the next dose, skip the missed one
• Never take double doses

Overdose Information

Symptoms of Ranexa overdose may include:

• Fainting
• Irregular heartbeat
• Severe dizziness

Seek emergency medical attention immediately if overdose is suspected.

Proper Storage

Store Ranexa properly by following these guidelines:

• Keep at room temperature
• Protect from moisture and heat
• Maintain in original packaging
• Store out of children's reach

Important Disclaimer

The information provided about Ranexa is for educational purposes only and does not cover all possible uses, precautions, or drug interactions. This content should not replace professional medical advice. Always consult with your healthcare provider regarding any medications. We cannot guarantee the accuracy or completeness of this information and are not liable for any consequences resulting from its use or self-treatment.