Saturday, June 26, 2010

Drugs That Prolong QT

Drugs which people with Long QT Syndrome should avoid

Below is a list of the drugs that people with Long QT Syndrome should avoid. A similar list can also be found by clicking here.

Neither of these lists should be considered exhaustive, and you should always check with your GP and pharmacist if your doctor prescribes any new drugs for you, as these lists may not be complete.

* = Drugs which are unlicensed, withdrawn or suspended in the UK market

A - Z List


Adrenaline (Epinephrine)
Stimulant

Ajmaline*


Antiarrhythmic (Class 1)

Alfuzosin
Alpha1-blocker

Almokalant*
Antiarrhythmic (Class 3)

Amantidine
Antimalarial

Amiodarone
Antiarrhythmic (Class 3)

Amitriptyline


Psychiatric drug - Tricyclic antidepressant

Amoxapine*
Psychiatric drug - Tricyclic antidepressant

Amphetamine
Stimulant

Arsenic trioxide
Anti-cancer

Astemizole*


Antihistamine

Atomoxetine
Psychiatric drug - Other

Azelastine
Antihistamine

Azimilide*


Antiarrhythmic (Class 3)

Azithromycin
Antibiotic - Macrolide

Bepridil*
Anti-anginal / vasodilator

Bretylium
Antiarrhythmic (Class 3)

Chloral hydrate
Sedative

Chloroquine
Antimalarial

Chlorpromazine
Psychiatric drug - Phenothiazine

Cibenzoline*
Antiarrhythmic (Class 1)

Ciprofloxacin
Antibiotic - Quinolone

Cisapride*
Serotonin agonist / antagonist

Citalopram
Psychiatric drug - Other

Clarithromycin
Antibiotic - Macrolide

Clobutinol*
Other

Clomipramine

Psychiatric drug - Tricyclic antidepressant


Clozapine
Anti-psychotic

Cocaine
Stimulant

Cold remedies
May contain stimulant drugs - always to check the label

Cotrimoxazole
Antibiotic - Antifungal

d-sotalol*
Antiarrhythmic (Class 3)

Desipramine*
Psychiatric drug - Tricyclic antidepressant

Dexmethylphenidate
Stimulant

Dihydroquinidine*
Antiarrhythmic (Class 1)

Diphenhydramine
Antihistamine

Disopyramide
Antiarrhythmic (Class 1)

Dobutamine
Stimulant

Dofetilide*
Antiarrhythmic (Class 3)

Dolasetron
Serotonin agonist / antagonist

Domperidone
Other

Dopamine
Stimulant

Doxepin
Psychiatric drug - Tricyclic antidepressant

Dronedarone*
Antiarrhythmic (Class 3)

Droperidol*
Psychiatric drug - Other

Ebastine*
Antihistamine

Encainide*
Antiarrhythmic (Class 1)

Ephedrine
Stimulant

Ersentilide*
Antiarrhythmic (Class 3)

Erythromycin
Antibiotic - Macrolide

Felbamate*
Anticonvulsant

Fenfluramine
Stimulant

Flecainide
Antiarrhythmic (Class 1)

Fluconazole
Antibiotic - Antifungal

Fluoxetine
Psychiatric drug - Other

Fluphenazine
Psychiatric drug - Phenothiazine

Foscarnet (HIV)
Antibiotics - Antiviral

Fosphenytoin (prodrug of Phenytoin)
Anticonvulsant

Galantamine
Inhibitor (dementia, Alzheimer's)

Gatifloxacin*


Antibiotic - Quinolone


Geldanamycin*


Anti-cancer


Gemifloxacin*
Antibiotic - Quinolone

Granisetron
Serotonin agonist / antagonist

Grepafloxacin*
Antibiotic - Quinolone

Halofantrine*
Antimalarial

Haloperidol
Psychiatric drug - Other

Hydroxyzine
Antihistamine

Ibutilide*
Antiarrhythmic (Class 3)

Imipramine
Psychiatric drug - Tricyclic antidepressant

Indapamide
Anti-hypertensive

Isoprenaline (Isoproterenol)
Stimulant

Isradipine
Anti-hypertensive

Itraconazole
Antibiotic - Antifungal

Ketanserin*
Serotonin agonist / antagonist

Ketoconazole
Antibiotic - Antifungal

Levalbuterol
Stimulant

Levofloxacin
Antibiotic - Quinolone

Levomethadyl*
Psychiatric drug - Other

Lidoflazine*
Anti-anginal / vasodilator

Lithium
Anti-mania

Maprotiline
Psychiatric drug - Other

Mesoridazine
Psychiatric drug - Other

Metaproterenol
Stimulant

Methadone
Psychiatric drug - Other

Methylphenidate
Stimulant

Mexiletine
Antiarrhythmic (Class 1)

Midodrine
Stimulant

Moexipril / Hydrochlorthiazide
Anti-hypertensive

Moxifloxacin
Antibiotic - Quinolone

Naratriptan
Anti-migraine

Nicardipine
Anti-hypertensive

Nifekalant*
Antiarrhythmic (Class 3)

Norepinephrine (Noradrenaline)
Stimulant

Nortriptyline
Psychiatric drug - Tricyclic antidepressant

Octreotide


Other

Ofloxacin
Antibiotic - Quinolone

Ondansetron
Serotonin agonist / antagonist

Organophosphates*
Other

Paroxetine
Anti-depressant

Pentamidine
Antibiotic - Other

Perflutren lipid microspheres
Other

Pericycline
Psychiatric drug - Other

Phentermine
Stimulant

Phenylephrine
Stimulant

Phenylpropanolamine
Stimulant

Pimozide
Psychiatric drug - Other

Pirmenol*
Antiarrhythmic (Class 1)

Prenylamine*
Anti-anginal / vasodilator

Probucol
Other

Procainamide
Antiarrhythmic (Class 1)

Prochlorperazine
Psychiatric drug - Phenothiazine

Propafenone


Antiarrhythmic (Class 1)

Protriptyline*
Psychiatric drug - Tricyclic antidepressant

Pseudoephidrine
Stimulant

Quetiapine
Psychiatric drug - Other

Quinidine*
Antiarrhythmic (Class 1)

Quinine
Antimalarial

Ranolazine
Anti-anginal / vasodilator

Risperidone
Psychiatric drug - Other

Ritodrine
Stimulant

Roxithromycin*
Antibiotic - Macrolide

Salbutamol (Albuterol)
Stimulant

Salmeterol
Stimulant

Sematilide*
Antiarrhythmic (Class 3)

Sertindole
Psychiatric drug - Other

Sertraline
Anti-depressant

Sibutramine
Stimulant

Solifenacin
Other

Sotalol
Antiarrhythmic (Class 3)

Sparfloxacin*
Antibiotic - Quinolone

Spiramycin
Antibiotic - Macrolide

Sumatriptan
Anti-migraine

Sunitib
Anti-cancer

Tacrolimus
Anti-cancer

Tamoxifen


Anti-cancer

Telithromycin
Antibiotic - Macrolide

Terbutaline
Stimulant

Terfenadine*
Antihistamine

Terikalant*
Antiarrhythmic (Class 3)

Terodiline*
Anti-anginal / vasodilator

Thioridazine*
Psychiatric drug - Phenothiazine

Tizanidine


Other

Tolterodine
Bladder antispasmodic

Trazodone
Psychiatric drug - Other

Trifluoperazine
Psychiatric drug - Phenothiazine

Trimethoprim sulfa (bactrim)
Antibiotic - Other

Trimipramine


Psychiatric drug - Tricyclic antidepressant


Vardenafil
Anti-anginal / vasodilator

Vasopressin
Other

Venlafaxine
Psychiatric drug - Other

Voriconazole
Antibiotic - Antifungal

Zimeldine*
Psychiatric drug - Other

Ziprasidone
Psychiatric drug - Other

Zolmitriptan
Anti-migraine

Listed by type

Antiarrhythmics
Class 1: ajmaline*, cibenzoline*, dihydroquinidine*, disopyramide, encainide*, flecainide, mexiletine, pirmenol*, procainamide, propafenone quinidine*
Class 3: almokalant*, amiodarone, azimilide*, bretylium, dofetilide*, dronedarone*, d-sotalol*, ersentilide*, ibutilide*, nifekalant*, sematilide*, sotalol, terikalant*

Anti-anginals/vasodilators
bepridil*, lidoflazine*, prenylamine*, ranolazine, terodiline*, vardenafil

Anti-hypertensives
indapamide, isradipine, moexipril/hydrochlorthiazide, nicardipine

Antihistamines
astemizole*, azelastine, diphenhydramine, ebastine*, hydroxyzine, terfenadine*

Serotonin agonists and antagonists
cisapride*, dolasetron, granisetron, ketanserin*, ondansetron

Antimicrobials
Macrolide antibiotics: azithromycin, clarithromycin, erythromycin, roxithromycin*, spiramycin, telithromycin
Quinolone antibiotics: ciprofloxacin, gatifloxacin*, gemifloxacin*, grepafloxacin*, levofloxacin, moxifloxacin, ofloxacin, sparfloxacin*
Antifungals: cotrimoxazole, fluconazole (caution with itraconazole), ketoconazole, voriconazole
Others: pentamidine, trimethoprim sulfa (bactrim)
Antiviral: foscarnet (HIV)

Antimalarials
amantidine, chloroquine, halofantrine*, quinine

Psychiatric drugs
Tricyclic antidepressants: amitriptyline, amoxapine*, clomipramine, desipramine*, doxepin, imipramine, nortriptyline, protriptyline*, trimipramine
Phenothiazines: chlorpromazine, fluphenazine, prochlorperazine, thioridazine*, trifluoperazine
Others: atomoxetine, citalopram, clozapine, droperidol*, fluoxetine, haloperidol, levomethadyl*, lithium, maprotiline, mesoridazine, methadone, paroxetine, pericycline, pimozide, quetiapine, risperidone, sertindole, sertraline, trazodone, venlafaxine, zimeldine*, ziprasidone

Anticonvulsant
felbamate*, fosphenytoin (prodrug of phenytoin)

Anti-migraine
naratriptan, sumatriptan, zolmitriptan

Anti-cancer
arsenic trioxide, geldanamycin*, sunitib, tacrolimus, tamoxifen

Others
alfuzosin, chloral hydrate, clobutinol*, domperidone, galantamine, octreotide, organophosphates*, perflutren lipid microspheres, probucol, solifenacin, tizanidine, tolterodine, vasopressin

Stimulant drugs
Some cold remedies contain these drugs so it is important always to check the label.
adrenaline (epinephrine), amphetamine, cocaine, dexmethylphenidate, dobutamine, dopamine, ephedrine, fenfluramine, isoprenaline (isoproterenol), levalbuterol, metaproterenol, methylphenidate, midodrine, norepinephrine (noradrenaline), phentermine, phenylephrine, phenylpropanolamine, pseudoephidrine, ritodrine, salbutamol (albuterol), salmeterol, sibutramine, terbutaline


Source: Sads.org.uk

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