Why do they put caffeine within Midol?

I need one right now...but don't want to be up all hours of darkness!!

Answers:

Then buy yourself some Midol PM.

The caffeine equivalent of a midol tablet is one cup of coffee. The caffeine is in the tablet to help with premenstrual and menstrual symptoms of fatigue. It is also believed that the caffeine help the pain medications in it to work better and faster. Source(s): http://www.midol.com/menstrual_complete_…

Caffeine is a vasodialator (makes your blood vessels open up more) so the other drugs can circulate through your body quicker. Caffeine is a natural diuretic (makes you step to the toilet more often). Source(s): Retired nurse epidemiologist

to increase the your heart rate to help take the medicine into your system Source(s): http://www.coolquiz.com/trivia/explain/docs/caffeine.asp

To lend a hand get the med's in your body quicker. Same reason Doctors write prescriptions for individuals to take migraine meds with a can of coke. In reality, caffeine cause sore breasts during your period, so it's not really that great of an idea. Source(s): Pharmacy Technician

That is a really pious question!
I know caffeine stimulates blood flow, so that may have something to do with it.

Probably because fatigue is a symptom of pms and I think it acts similar to a catalyst to circulate the medicine more quickly.

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