How the interaction occurs:
Terbinafine may slow down how quickly your liver processes your tricyclic medicine.
What might happen:
The amount of tricyclic medicine in your blood may increase and cause an increase in side effects.
What you should do about this interaction:
Let your healthcare professionals (e.g. doctor or pharmacist) know that you are taking these medicines together. If you experience weakness, tiredness, dizziness, irregular heartbeat, confusion, anxiety, nervousness, difficulty sleeping, or problems urinating, contact your doctor. It may be necessary to adjust the dose of your medicine. Let your doctor know when you stop taking terbinafine. It may be necessary to increase the dose of your tricyclic medicine a few weeks after you stop taking terbinafine.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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