Eletriptan/Selected Macrolide; Ketolide Antibiotics 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.
Very Serious. These medicines may interact and cause very harmful effects and are usually not taken together. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.
How the interaction occurs:
Certain antibiotics may slow down how quickly your liver processes eletriptan.
What might happen:
The amount of eletriptan in your body may increase and cause unwanted side effects such as high blood pressure, a rapid heart beat, chest pain, sweating, nausea, or dizziness.
What you should do about this interaction:
Make sure your healthcare professionals (e.g. doctor or pharmacist) know that you are taking these medicines together. Your doctor may want to change one of the medicines that you are taking. If you notice any extra side effects from your eletriptan while taking your antibiotic, let your doctor know right away.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.Relpax (eletriptan hydrobromide) UK summary of product characteristics. Pfizer Limited September, 2013.
- 2.Relpax (eletriptan hydrobromide) US prescribing information. Pfizer Inc. March, 2020.
- 3.US Food and Drug Administration (FDA). Drug Development and Drug Interactions: Table of Substrates, Inhibitors and Inducers. Available at: https://www.fda.gov/drugs/drug-interactions-labeling/drug-development-and- drug-interactions-table-substrates-inhibitors-and-inducers. Updated 11/14/2017.
- 4.Imitrex Tablets (sumatriptan) US prescribing information. GlaxoSmithKline December 14, 2017.
- 5.Frova (frovatriptan) US prescribing information. Endo Pharmaceuticals August, 2018.
- 6.Zomig (zolmitriptan) US prescribing information. AstraZeneca Pharmaceuticals LP September, 2012.
- 7.Yu AM. Indolealkylamines: biotransformations and potential drug-drug interactions. AAPS J 2008 Jun;10(2):242-53.
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.