Perhexiline/Selected SSRIs 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:

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:

Some selective serotonin reuptake inhibitors may slow down how quickly your liver processes perhexiline.

What might happen:

The amount of perhexiline in your blood may increase and cause side effects such as dizziness, nausea, vomiting, headaches, loss of appetite, abdominal pain, weakness, and changes in your heart's rhythm.

What you should do about this interaction:

Let your healthcare professionals (e.g. doctor or pharmacist) know that you are taking these medicines together. Let your doctor know if you notice any side effects of your medicine. Your doctor may want to check the amount of perhexiline in your blood more often when you start or stop taking your SSRI. Your doctor may want to change the dose of your perhexiline.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.

  • 1.Nyfort-Hansen K. Perhexiline toxicity related to citalopram use. Med J Aust 2002 Jun 3;176(11):560-1.
  • 2.Alderman CP, Hundertmark JD, Soetratma TW. Interaction of serotonin re-uptake inhibitors with perhexiline. Aust N Z J Psychiatry 1997 Aug; 31(4):601-3.

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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.