Serious. These medicines may interact and cause very harmful effects. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.
How the interaction occurs:
The cause of the interaction is not known. Tricyclic antidepressants may cause your body to process your other medicine differently.
What might happen:
Your tricyclic antidepressant may increase or decrease the effects of your other medicine. This may cause a decrease in the beneficial effects or an increase in harmful effects.
What you should do about this interaction:
Contact your healthcare professionals (e.g. doctor or pharmacist) as soon as possible about taking these two medicines together. They may already be aware of this drug interaction and may be monitoring you for it. If your doctor prescribes these medicines together, it may be necessary to monitor your heart. Your doctor may need to adjust the dose or change you to a different medicine. Do not start, stop, or change the dosage of any medicine before checking with them first.
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