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Drug Interactions between fosphenytoin and Zanaflex

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Moderate

fosphenytoin tiZANidine

Applies to: fosphenytoin and Zanaflex (tizanidine)

Before taking fosphenytoin, tell your doctor if you also use tiZANidine. This combination may increase the fosphenytoin levels in your body. This combination may cause drowsiness, visual problems, seizures, changes in behavior, nausea, or poor muscle coordination. If you take both medications together, tell your doctor if you have any of these symptoms. You may need a dose adjustment or special test if you take 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. It is important that you tell your healthcare provider about all other medications that you are using including vitamins and herbs. Do not stop using your medications without first talking to your doctor.

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Drug and food interactions

No alcohol/food interactions were found. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.

Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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