Tizanidine/Fluvoxamine Interactions

This information is generalized and not intended as specific medical advice. Consult your healthcare professional before taking or discontinuing any drug or commencing any course of treatment.

Medical warning:

Very Serious. These medicines may interact and cause very harmful effects and are usually not taken together. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.

How the interaction occurs:

Fluvoxamine may slow down how quickly your liver processes tizanidine.

What might happen:

The amount of tizanidine in your blood may increase and cause more side effects than normal, including severe low blood pressure, drowsiness, problems with moving your body, and irregular heartbeat. The effects on your heart may be life-threatening.

What you should do about this interaction:

Contact your healthcare professional (e.g. doctor or pharmacist) right away about using these medicines together. Your doctor may want to perform an electrocardiogram (ECG) on you to check your heart rate and rhythm.Let your doctor know right away if you notice any irregular heartbeat or have any dizziness or fainting episodes. Use caution when performing tasks that require alertness.Your healthcare professionals may already be aware of this interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.

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Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.

CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.