How long to wait to consume alcohol after taking 500mg mefenamic acid?

Better to avoid: Hello Sarah891, It is best to avoid alcohol while you are taking the mefanamic acid due to the adverse events so while taking the medicine it is recommended to avoid alcohol. When you are done with the medicine you should be able to use alcohol within 24 hours of stopping the drug. If taking during the use of the drug then protect your stomach with antacids which can prevent problems.

6 hours+: Wait at least 6 + hours. Better yet, if this Rx is for an ongoing multiple therapy, wait until the course of meds have been completed in its' entirety.