Moderate. These medicines may cause some risk when taken together. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.
How the interaction occurs:
When these two medicines are taken together, your body may not process your seizure medicine properly.
What might happen:
The blood level of your seizure medicine may rise and cause an increase in the beneficial and toxic effects.
What you should do about this interaction:
If you experience changes in vision, loss of coordination, or drowsiness, contact your doctor. You doctor may check your blood levels of seizure medicine more often. It may be necessary to change the dose of your seizure medicine or change your cimetidine to a different medicine.Your healthcare professionals (e.g. doctor or pharmacist) 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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