I'm 35 yrs old and this month after my period last june 27 I felt itchy on my vagina then I noticed that i had a brown vaginal discharge. after several days my discharge change to light pink to reddish and it has a foul odor.I take doxycycline 100mg and it helps, my discharge back to color brown and has no odor but i sometimes felt a slight abdominal pain right side. please help