Severe. 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:
The cause of the interaction is not known.
What might happen:
The use of these medicines together increase your risk of hearing loss and deafness. This is more likely to occur if you have some existing kidney problems or taking other drugs removed by your kidneys.
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 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.Lasix (furosemide) US prescribing information. Sanofi-Aventis U.S. LLC March, 2012.
2.Edecrin (ethacrynic acid) US prescribing information. Merck & Co. February, 2005.