Drug interactions between procainamide and quinidine
Interactions between your drugs
Applies to: quinidine and procainamide
Using quiNIDine together with procainamide can increase the levels of procainamide and can affect the rhythm of your heart. Contact your doctor if you experience tiredness, dizziness, fainting, low blood pressure, confusion, tremor, difficulty breathing, and an irregular heartbeat. You may need a dose adjustment or special test if you use both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.
Drug and food interactions
Applies to: quinidine
Do not consume grapefruit or grapefruit juice during treatment with quiNIDine unless specifically directed otherwise by your doctor. Grapefruit and grapefruit juice can interact with quiNIDine and decrease the levels of quiNIDine in your body. If you are already consuming grapefruit products, do not increase or decrease the amount of these products in your diet without first talking to your doctor.
Therapeutic duplication warnings
Therapeutic duplication is the use of more than one medicine from the same drug category or therapeutic class to treat the same condition. This can be intentional in cases where drugs with similar actions are used together for demonstrated therapeutic benefit. It can also be unintentional in cases where a patient has been treated by more than one doctor, or had prescriptions filled at more than one pharmacy, and can have potentially adverse consequences.
The recommended maximum number of medicines in the 'antiarrhythmics' category to be taken concurrently is usually one. Your list includes two medicines belonging to the 'antiarrhythmics' category:
Note: The benefits of taking this combination of medicines may outweigh any risks associated with therapeutic duplication. This information does not take the place of talking to your doctor. Always check with your healthcare provider to determine if any adjustments to your medications are needed.
Group I antiarrhythmics
The recommended maximum number of medicines in the 'group I antiarrhythmics' category to be taken concurrently is usually one. Your list includes two medicines belonging to the 'group I antiarrhythmics' category:
Drug Interaction Classification
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Do not stop taking any medications without consulting your healthcare provider.