Promethazine is also used to prevent and treat motion sickness. Promethazine helps control symptoms, but will not treat the cause of the symptoms or speed recovery. Promethazine is in a class of medications called phenothiazines. It works by blocking the action of a certain natural substance in the body.
#2: Wheat Germ. Wheat germ may be one of the best foods you can include in your diet if you suffer from menstrual cramps. It provides a concentrated source of vitamin B6 (pyridoxine), with a mere cup of crude wheat germ providing a whopping 75% of the recommended daily intake for this important vitamin!
Stay away from foods with caffeine which help increase cramps and blood floows, Things such as coffee , soda , etc. And also stay away from Fat foods with a lot of greaze and oils ( hamburgers, etc) which can also make your periods worse. Eat things like fruits, vegetables, soups, teas. I noticed that eating fruits and vegetables and doing yoga helped my period days get shorter. Maybe itll help for you, hope this helped!