Can mefenamic acid cause reye syndrome?

Probably not. Reye's syndrome is rare now because it was found to be due to Aspirin given to "bring down the fever" there are still occasional appearances of the disease unassociated with Aspirin but I have never seen a reference to the substance in your question.

Related Questions

Does mefenamic acid lead to reye syndrome?

Reye syndrome. Reye syndrome typically occurs after a viral illness, and is associated with the use of Aspirin during the illness. Mefenamic acid and Aspirin belong to the family of nsaids or non steroidal inflammatory drugs, it can possibly lead to reye syndrome. Read more...