Tag: Drug onset time

Studies show mefenamic acid can reduce heavy menstrual bleeding by 20% to 50%. A key question for users is: **how quickly does mefenamic acid take effect?** Relief typically begins within 30 to 60 minutes for many individuals.

With over 40 million adults in the U.S. affected by anxiety disorders, many seek fast-acting relief [1.12.3]. So, for those prescribed the antihistamine hydroxyzine, a common question is: **how fast does hydroxyzine kick in?** This medication typically begins working within 15 to 60 minutes [1.6.1].