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Tag: QT prolongation

Hydroxyzine and QT Prolongation: What You Need to Know About the Cardiac Risk
By : Oliver Thompson 2 Mar 2026

Hydroxyzine and QT Prolongation: What You Need to Know About the Cardiac Risk

Hydroxyzine is a common antihistamine linked to QT prolongation and rare but deadly heart rhythms. Learn who's at risk, what doses are safe, and how doctors are changing prescribing practices to prevent cardiac events.

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QT Prolongation with Fluoroquinolones and Macrolides: Monitoring Strategies
By : Oliver Thompson 15 Jan 2026

QT Prolongation with Fluoroquinolones and Macrolides: Monitoring Strategies

Fluoroquinolones and macrolides can prolong the QT interval, increasing the risk of fatal arrhythmias. Learn who’s at risk, how to monitor with ECG, which drugs are safest, and when to stop treatment to prevent Torsades de Pointes.

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