There is a very rare theoretical risk of abnormal heart rhythm if some medications are taken at the same time - see table below.
| Antibiotics, antifungals | |
|---|---|
|
Azithromycin Clarithromycin Erythromycin |
Fluconazole Itraconazole Ketoconazole |
| Antidepressants | |
|
Escitalopram Citalopram Clomipramine |
Lithium Sertraline Venlafaxine |
| Antipsychotics | |
|
Amisulpride Chlorpromazine Haloperidol Paliperidone |
Pimozide Risperidone Zuclopenthixol |
| Diuretics, antihypertensives | |
|
Bumetanide Diltiazem Furosemide Hydroflumethiazide Indapamide Metolazone |
Chlorothiazide Ranolazine Sotalol Torasemide Heart rhythm drugs |
| Antihistamines | |
|
Hydroxyzine Mizolastine |
Triamcinolone |
| Others | |
|
Tolterodine (overactive bladder) Bosutinib (hepatitis B) Domperidone, ondansetron (anti-sickness) Steroids Methadone HIV drugs Cancer drugs |
Cancer drugs MS drugs Parkinson's medication Sildenafil, vardenafil Mefloquine (Lariam) Quinine Bleeding disorder drugs |
Further information: NHS - Long QT syndrome