Hydroxychloroquine interactions
Overview
Hydroxychloroquine (Plaquenil) is an antimalarial used for lupus and arthritis. In our database it has 12 known interactions with common medicines and substances: 0 serious, 12 that need caution and 0 minor.
Use caution 12 interactions
Heart rhythm (QT) riskAzithromycin
Heart rhythm (QT) riskCiprofloxacin
Heart rhythm (QT) riskCitalopram
Heart rhythm (QT) riskEscitalopram
Heart rhythm (QT) riskFluconazole
Heart rhythm (QT) riskFluoxetine
Heart rhythm (QT) riskHydroxyzine
Heart rhythm (QT) riskLevofloxacin
Heart rhythm (QT) riskOndansetron
Heart rhythm (QT) riskQuetiapine
Heart rhythm (QT) riskTrazodone
Heart rhythm (QT) risk
No known interaction found
Our rules found no interaction between Hydroxychloroquine and: Acetaminophen, Acyclovir, Albuterol, Alcohol, Allopurinol, Alprazolam, Amlodipine, Amoxicillin, Amoxicillin-clavulanate, Amphetamine salts, Apixaban, Aripiprazole, Ashwagandha, Aspirin, Atenolol, Atorvastatin, Baclofen, Birth control pills, Bismuth subsalicylate, Buprenorphine-naloxone, Bupropion, Buspirone, Caffeine, Calcium carbonate, Cannabis, Carvedilol, Celecoxib, Cephalexin, Cetirizine, Clindamycin, Clonazepam, Clonidine, Clopidogrel, Codeine, Colchicine, Creatine, Cyclobenzaprine, DayQuil, Dextromethorphan, Diazepam, Diclofenac, Digoxin, Diphenhydramine, Doxycycline, Doxylamine, Duloxetine, Empagliflozin, Esomeprazole, Estradiol, Excedrin, Famotidine, Fexofenadine, Finasteride, Fish oil, Furosemide, Gabapentin, Glipizide, Grapefruit juice, Guaifenesin, Hydrochlorothiazide, Hydrocodone, Ibuprofen, Insulin, Iron supplements, Isotretinoin, Kratom, Lamotrigine, Levetiracetam, Levothyroxine, Lisdexamfetamine, Lisinopril, Lithium, Loperamide, Loratadine, Lorazepam, Losartan, Magnesium, Meclizine, Melatonin, Meloxicam, Metformin, Methocarbamol, Methotrexate, Methylphenidate, Methylprednisolone, Metoprolol, Metronidazole, Mirtazapine, Montelukast, Morphine, Naltrexone, Naproxen, Nicotine, Nitrofurantoin, NyQuil, Omeprazole, Oseltamivir, Oxycodone, Pantoprazole, Paroxetine, Paxlovid, Phentermine, Phenylephrine, Potassium supplements, Pravastatin, Prednisone, Pregabalin, Probiotics, Promethazine, Propranolol, Pseudoephedrine, Rivaroxaban, Rosuvastatin, Semaglutide, Sertraline, Sildenafil, Simvastatin, Spironolactone, St. John's wort, Sulfamethoxazole-trimethoprim, Sumatriptan, Tadalafil, Tamsulosin, Tirzepatide, Tizanidine, Topiramate, Tramadol, Turmeric, Valacyclovir, Venlafaxine, Vitamin D, Warfarin, Zinc, Zolpidem.
Add at least two medicines, supplements or alcohol.
Sources
Source: FDA label for Hydroxychloroquine on DailyMed (effective 2026-06), plus the labels of each interacting medicine.
This list covers the 147 medicines and substances in our database. It is not a complete list of every possible interaction. Always tell your doctor and pharmacist about every medicine, supplement and herbal product you take.