Other Information: Store at room temperature. Misc: Acetaminophen/Diphenhydramine citrate. Maximum strength night time relief of menstrual pain with a non-habit forming sleep-aid. Questions or comments? 1-800-331-5436 (Mon-Fri 9AM - 5PM EST) or www.midol.com. Visit Midol.com. Made in the USA of US and imported materials.