The leucorrhea will increase when the menstruation is approaching, the leucorrhea is affected by the ovarian secretion function, usually slightly increased before the menstruation, after the menstruation ovulation period, no itching, no vulvar itching, no odor, is normal. If the increased leucorrhea is accompanied by itching and odor, it generally suggests inflammation and is not normal. It is important to determine the nature of the inflammation based on the color and nature of the discharge, and then treat the symptoms. If the leucorrhea is watery, odorous and itchy, it generally suggests the possibility of trichomonas infection, you can use some gynecological cleansing, metronidazole suppositories, tinidazole suppositories for external use, and metronidazole tablets, tinidazole tablets for oral use. If the leucorrhea increases, has a sticky, voluminous, odorous generally suggests the possibility of bacterial infection, can ciprofloxacin suppositories for external use, cephalosporin and penicillin anti-inflammatory drugs, without allergies to the case of oral intake. Then there is leucorrhea in the shape of bean curd or curd, with itching and no odor. This situation increased secretion, generally suggests that there is mold infection, treatment can be soda water to wash, metronidazole suppository, tinidazole suppository or bifontazole suppository and other drugs can be used topically. So the leucorrhea will increase when the menstruation is coming, generally is not a big problem, if there is itching odor these situations, must be based on the situation to choose the appropriate drugs to treat the symptoms.