Hi, I am Rashmi, 27 year old, my problem is form two days (i,e.,06/06/11) my motin is in black colour and there is no pain such that. As adviced by doctor last month I undergone with a blood test and the report was I have a Iron defecience so for that doctor advice me to take Ferrous Sulphate Tablets 200mg one twice a day, I started taking these tablets from 04/06/11, I am locking for answer....... Thank You.