What should I know about quinidine before taking it?

Quinidine is a prescription medication that treats irregular heartbeat. It may worsen certain heart rhythm problems caused by an electrolyte disorder. Quinidine may also make heart disease and myasthenia gravis worse. If you have kidney or liver disease, the side effects of quinidine may be increased because the medication will stay in the bloodstream longer. You should not drink grapefruit juice or eat grapefruit while taking quinidine. Quinidine can interact with many medications. Tell your doctor if you are taking any of the following: other medications to treat irregular heartbeats, beta-blockers, a tricyclic antidepressant, phenothiazine, pimozide, itraconazole, ziprasidone, voriconazole, thioridazine, mesoridazine, ritonavir, dolasetron, digoxin, warfarin, erythromycin, sparfloxacin, levofloxacin and gatifloxacin.

Continue Learning about Muscoloskeletal Agent

How is cyclobenzaprine used to treat lower back pain?
Donna Hill Howes, RNDonna Hill Howes, RN
Cyclobenzaprine (Amrix) is a muscle relaxant. It is a treatment option for people who have muscle sp...
More Answers
Can Botox affect my emotional reactions?
Scientists believe that facial expressions may influence our emotions, meaning that those whose face...
More Answers
What is cyclobenzaprine?
Donna Hill Howes, RNDonna Hill Howes, RN
Cyclobenzaprine (Amrix) is a muscle relaxer. It is FDA-approved to treat muscle spasms and pain caus...
More Answers
Could I be allergic to denosumab?
Stacy Wiegman, PharmDStacy Wiegman, PharmD
Some people are allergic to denosumab, a medicine used to treat thinning and weakening bones (known ...
More Answers

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.