 [ Symptoms ] can calcium citrate help relieve pain from menstrual cramps [ Disease ] that is a large amount to take considering the recommended amount for adults is 30 micrograms i would check with your healthcare provider on the amounts and possible medical connections i can find no reason to think it would cause a yeast infection for side effects and more info see this webmd listing i too have had a similar experience with taking the biotin i do not typically suffer yeast infections and the only new thing added to my regime has been the addition of biotin 5 000 mcg yet i am undergoing what i am sure is a yeast infection i am thinking to stop taking it what did you decide to do