Precautions
Tell your doctor or pharmacist before taking Tonocard if you have any allergies to it, other antiarrhythmic medications (like quinidine and procainamide), or other substances. Inactive ingredients in this product have the potential to trigger allergic reactions or other issues. To learn more, speak with your pharmacist.
If you have certain medical conditions, you shouldn't take this medication. If any of the following apply to you prior to taking this medication: low blood pressure; a history of heart block; or bradycardia (slow heartbeat).
Inform your surgeon or dentist of all the products you use, including prescription, over-the-counter, and herbal ones, before the procedure.
This medication should only be taken during pregnancy if absolutely necessary. Describe the advantages and disadvantages to your doctor. This medication is excreted in breast milk and could harm a nursing infant. Before breastfeeding, speak with your doctor.