Answer
Taking hydroxyzine hydrochloride with citalopram is contraindicated because citalopram can prolong the QT interval and/or induce Torsade de Pointes, and combining these medicines increases the risk of cardiac arrhythmia.
Sources for this answer
- Hydroxyzine hydrochloride 10 mg film-coated tabletsMorningside Healthcare Ltd · emc · SmPC §4.5 Interaction with other medicinal products · Version 1Document updated
Sources checked