Ask a Pharmacist Forum
This expert forum is not accepting new questions. Please post your question in one of our medical support communities.
Avatar universal

Drugs to avoid

I was wondering where the best place for me would be to find a complete list of medicines I should stay away from with Long QT syndrome.  I have a list but it is over 5 years old, and I am in need of a new one!  Thank You!  stefanie
2 Responses
616411 tn?1221767853
This list will come in one more than one post! For your information it was compiled in March of 2008 but hopefully it is more updated than your current list. Hope it helps.

Jennifer R RPh www.drugstore.com

This list was updated in March of 2008.
Phenylpropanolamine Acutrim® Decongestant / allergies, sinusitis, asthma  
Amphetamine Adderall®  CNS stimulant / ADHD This includes dextroamphetamine and amphetamine / dextroamphetamine combinations.
Phentermine Adipex® Appetite suppressant / dieting, weight loss  
Metaproterenol Alupent® Bronchodilator / asthma  
Clomipramine Anafranil® Tricyclic Antidepressant / depression  
Dolasetron Anzemet® Anti-nausea / nausea, vomiting  
Chloroquine Aralen® Anti-malarial / malaria infection  
Amoxapine Asendin® Tricyclic Antidepressant / depression  
Moxifloxacin  Avelox® Antibiotic / bacterial infection  
Trimethoprim-Sulfa Bactrim® Antibiotic / bacterial infection  
Sotalol  Betapace®  Anti-arrhythmic / abnormal heart rhythm Females>Males
Clarithromycin Biaxin® Antibiotic / bacterial infection  
Terbutaline Brethine® Bronchodilator / asthma  
Ephedrine Broncholate® Bronchodilator, decongestant / Allergies, sinusitis, asthma  
Epinephrine Bronkaid® catecholamine, vasoconstrictor / anaphylaxis, allergic reactions  
Nicardipine  Cardene® Anti-hypertensive / high blood pressure  
Quinidine Cardioquin®  Anti-arrhythmic / abnormal heart rhythm Females>Males
Citalopram Celexa® Anti-depressant / depression  
Fosphenytoin Cerebyx® Anti-convulsant / seizure  
Ciprofloxacin Cipro® Antibiotic / bacterial infection  
Clozapine Clozaril® Anti-psychotic / schizophrenia  
Cocaine Cocaine Local anesthetic /  
Methylphenidate Concerta®  CNS stimulant / ADHD  
Amiodarone  Cordarone® Anti-arrhythmic / abnormal heart rhythm Females>Males,TdP risk regarded as low
Ibutilide Corvert® Anti-arrhythmic / abnormal heart rhythm Females>Males
Perflutren lipid microspheres Definity®  Imaging contrast agent / Echocardiography  
Tolterodine Detrol LA® Bladder Antispasmodic /  
Tolterodine Detrol® Bladder Antispasmodic /  
Phenylpropanolamine Dexatrim® Decongestant / allergies, sinusitis, asthma  
Amphetamine Dexedrine® CNS stimulant / ADHD This includes dextroamphetamine and amphetamine / dextroamphetamine combinations.
Fluconazole Diflucan® Anti-fungal / fungal infection  
Dobutamine Dobutrex® Catecholamine / heart failure and shock  
Methadone Dolophine® Opiate agonist / pain control, narcotic dependence Females>Males
Isradipine Dynacirc® Anti-hypertensive / high blood pressure  

616411 tn?1221767853
Erythromycin  E.E.S.®  Antibiotic;GI stimulant / bacterial infection; increase GI motility Females>Males
Venlafaxine  Effexor®  Anti-depressant / depression  
Amitriptyline Elavil® Tricyclic Antidepressant / depression  
Erythromycin  Erythrocin® Antibiotic;GI stimulant / bacterial infection; increase GI motility Females>Males
Lithium Eskalith® Anti-mania / bipolar disorder  
Gemifloxacin Factive® Antibiotic / bacterial infection  
Phentermine Fastin® Appetite suppressant / dieting, weight loss  
Felbamate  Felbatrol® Anti-convulsant / seizure  
Ofloxacin Floxin® Antibiotic / bacterial infection  
Dexmethylphenidate Focalin® CNS stimulant / ADHD  
Foscarnet  Foscavir® Anti-viral / HIV infection  
Ziprasidone Geodon®  Anti-psychotic / schizophrenia  
Haloperidol  Haldol® Anti-psychotic / schizophrenia, agitation When given intravenously or at higher-than- recommended doses, risk of sudden death, QT prolongation and torsades increases.  
Halofantrine  Halfan® Anti-malarial / malaria infection Females>Males
Astemizole  Hismanal® Antihistamine / Allergic rhinitis No Longer available in U.S.
Droperidol  Inapsine® Sedative;Anti-nausea / anesthesia adjunct, nausea  
Dopamine Intropine® Inotropic agent / heart failure; hypotension; shock  
Paliperidone Invega® Antipsychotic, atypical / Schizophrenia  
Isoproterenol Isupres® Catecholamine / allergic reaction  
Telithromycin Ketek® Antibiotic / bacterial infection  
Granisetron Kytril® Anti-nausea / nausea and vomiting  
Levofloxacin Levaquin® Antibiotic / bacterial infection  
Vardenafil Levitra®  phosphodiesterase inhibitor / vasodilator  
Norepinephrine Levophed® Vasconstrictor, Inotrope / shock, low blood pressure  
Lithium Lithobid® Anti-mania / bipolar disorder  
Probucol Lorelco® Antilipemic / Hypercholesterolemia No longer available in U.S.
Indapamide Lozol® Diuretic / stimulate urine & salt loss  
Isoproterenol Medihaler-Iso® Catecholamine / allergic reaction  
Thioridazine Mellaril®  Anti-psychotic / schizophrenia  
Sibutramine Meridia® Appetitie suppressant / dieting, weight loss  
Metaproterenol Metaprel® Bronchodilator / asthma  
Methadone Methadose® Opiate agonist / pain control, narcotic dependence Females>Males
Mexiletine Mexitil® Anti-arrhythmic / Abnormal heart rhythm  
Domperidone Motilium® Anti-nausea / nausea Not available in the U.S.
Pentamidine  NebuPent® Anti-infective / pneumocystis pneumonia Females>Males
Phenylephrine Neosynephrine® Vasoconstrictor, decongestant / low blood pressure, allergies, sinusitis, asthma  
Ketoconazole Nizoral® Anti-fungal / fungal infection  
Chloral hydrate Noctec® Sedative / sedation/ insomnia  
Tamoxifen  Nolvadex®  Anti-cancer / breast cancer  
Imipramine Norfranil® Tricyclic Antidepressant / depression  
Disopyramide  Norpace® Anti-arrhythmic / abnormal heart rhythm Females>Males
Pimozide Orap®  Anti-psychotic / Tourette's tics Females>Males
Levomethadyl Orlaam® Opiate agonist / pain control, narcotic dependence  
Amiodarone  Pacerone® Anti-arrhythmic / abnormal heart rhythm Females>Males,TdP risk regarded as low
Nortriptyline Pamelor® Tricyclic Antidepressant / depression  
Paroxetine Paxil® Anti-depressant / depression  
Pseudoephedrine PediaCare® Decongestant / allergies, sinusitis, asthma  
Pentamidine  Pentam® Anti-infective / pneumocystis pneumonia Females>Males
Desipramine Pertofrane® Tricyclic Antidepressant / depression  
Fenfluramine Pondimin® Appetite suppressant / dieting, weight loss  
Epinephrine Primatene® catecholamine, vasoconstrictor / anaphylaxis, allergic reactions  
Midodrine ProAmatine® Vasoconstrictor / low blood pressure, fainting  
Procainamide  Procan®  Anti-arrhythmic / abnormal heart rhythm  
Tacrolimus  Prograf® Immunosuppressant / Immune suppression  
Procainamide  Pronestyl® Anti-arrhythmic / abnormal heart rhythm  
Cisapride Propulsid® GI stimulant / heartburn Restricted availability; Females>Males.
Albuterol Proventil® Bronchodilator / Asthma  
Fluoxetine  Prozac® Anti-depressant / depression  
Quinidine Quinaglute® Anti-arrhythmic / abnormal heart rhythm Females>Males
Ranolazine Ranexa®  Anti-anginal / chronic angina  
Galantamine Reminyl® Cholinesterase inhibitor / Dementia, Alzheimer's  
Atazanavir Reyataz®  Protease inhibitor / HIV  
Risperidone  Risperdal®  Anti-psychotic / schizophrenia  
Methylphenidate Ritalin® CNS stimulant / ADHD  
Roxithromycin* Rulide® Antibiotic / bacterial infection *not available in the United States
Ephedrine Rynatuss® Bronchodilator, decongestant / Allergies, sinusitis, asthma  
Octreotide  Sandostatin® Endocrine / acromegaly, carcinoid diarrhea  
Fluoxetine  Sarafem® Anti-depressant / depression  
Terfenadine Seldane® Antihistamine / Allergic rhinitis No longer available in U.S.
Mesoridazine Serentil® Anti-psychotic / schizophrenia  
Salmeterol  Serevent®  Sympathomimetic / asthma, COPD  
Quetiapine  Seroquel®  Anti-psychotic / schizophrenia  
Doxepin Sinequan® Tricyclic Antidepressant / depression  
Itraconazole Sporanox® Anti-fungal / fungal infection  
Atomoxetine Strattera® norepinephrine reuptake inhibitor / ADHD  
Pseudoephedrine Sudafed® Decongestant / allergies, sinusitis, asthma  
Trimethoprim-Sulfa Sulfa® Antibiotic / bacterial infection  
Trimipramine Surmontil® Tricyclic Antidepressant / depression  
Sunitinib Sutent® Anti-cancer / RCC, GIST  
Amantadine Symmetrel® Dopaminergic/Anti-viral / Anti-infective/ Parkinson's Disease  
Flecainide Tambocor® Anti-arrhythmic / abnormal heart rhythm  
Gatifloxacin Tequin® Antibiotic / bacterial infection  
Chlorpromazine  Thorazine® Anti-psychotic/ Anti-emetic / schizophrenia/ nausea  
Dofetilide  Tikosyn® Anti-arrhythmic / abnormal heart rhythm  
Arsenic trioxide  Trisenox® Anti-cancer / Leukemia  
Moexipril/HCTZ  Uniretic® Anti-hypertensive / high blood pressure  
Alfuzosin Uroxatral® Alpha1-blocker / Benign prostatic hyperplasia  
Bepridil  Vascor® Anti-anginal / heart pain Females>Males
Albuterol Ventolin® Bronchodilator / Asthma  
Solifenacin VESIcare® muscarinic receptor anatagonist / treatment of overactive bladder  
Voriconazole VFend®  Anti-fungal / anti-fungal  
Protriptyline Vivactil® Tricyclic Antidepressant / depression  
Lisdexamfetamine Vyvanse®  CNS stimulant / ADHD  
Levalbuterol Xopenex®  Bronchodilator / asthma  
Ritodrine Yutopar® Uterine relaxant / prevent premature labor  
Sparfloxacin  Zagam®  Antibiotic / bacterial infection  
Tizanidine  Zanaflex®  Muscle relaxant /  
Azithromycin Zithromax® Antibiotic / bacterial infection  
Ondansetron Zofran® Anti-emetic / nausea and vomiting  
Sertraline Zoloft® Anti-depressant / depression
Popular Resources
In this unique and fascinating report from Missouri Medicine, world-renowned expert Dr. Raymond Moody examines what really happens when we almost die.
Think a loved one may be experiencing hearing loss? Here are five warning signs to watch for.
When it comes to your health, timing is everything
We’ve got a crash course on metabolism basics.
Learn what you can do to avoid ski injury and other common winter sports injury.
Here are the pros and cons of the top fad diets and weight loss plans of the year.