Citalopram should not be used in patients with congenital long QT syndrome. Citalopram should no longer be prescribed at doses greater than 40 mg per day. Citalopram causes dose-dependent QT interval prolongation.Report any side effects you experience to the FDA MedWatch program using the information in the "Contact Us" box at the bottom of the page.Īdditional Information for Healthcare Professionals.Read the Medication Guide for citalopram carefully and discuss any questions you have with your healthcare professional.An ECG is a test that checks for problems with the electrical activity of your heart. If you are taking citalopram, your healthcare professional may occasionally order an electrocardiogram (ECG, EKG) to monitor your heart rate and rhythm.Seek immediate care if you experience an irregular heartbeat, shortness of breath, dizziness, or fainting while taking citalopram.If you are currently taking a citalopram dose greater than 40 mg per day, talk to your healthcare professional about changing your dose.Stopping citalopram suddenly can cause unwanted side effects. Do not stop taking citalopram or change your dose without talking to your healthcare professional.(See Additional Information for Healthcare Professionals) The citalopram drug label has been revised to include the new drug dosage and usage recommendations, as well as information about the potential for QT interval prolongation and Torsade de Pointes. Patients at particular risk for developing prolongation of the QT interval include those with underlying heart conditions and those who are predisposed to low levels of potassium and magnesium in the blood. Previously, the citalopram drug label stated that certain patients may require a dose of 60 mg per day.Ĭhanges in the electrical activity of the heart (prolongation of the QT interval of the electrocardiogram ) - see Data Summary below - can lead to an abnormal heart rhythm (including Torsade de Pointes), which can be fatal. Also available as an oral solution (10 mg/5 mL). Available as 10 mg, 20 mg, and 40 mg tablets.Thought to work by increasing the amount of serotonin in the brain.Is in a class of antidepressants called selective serotonin reuptake inhibitors (SSRIs).Facts about Celexa (citalopram hydrobromide)
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