 [ Symptoms ] pink discharge irritated vagina itchy uncomfortable i have only had one sexual partner for about a year now i just started the birth control pill 4 days ago and about that time i started experiencing itching in the hole and around it it stings a little to peewipe and sex is very uncomfortable today when i wiped there was a little bit of light pink discharge on top of all these symptoms what is going on please help this burning and itching is a pain [ Disease ] you are smart to think about the medications you are putting into your body if you may be pregnant metronidazole oral is not recommended for use during the first trimester of pregnancy however if you are taking the medication to treat bacterial vaginosis be aware that bv also can be harmful to a developing baby i would suggest you call a pharmacist to get an opinion about whether to continue this medication over the weekend as soon as possible on monday call your health care provider is office and explain the situation he or she will tell you what to do so to sum up do not panic get a professional opinion from a pharmacist now then call your doctor as soon as you can best wishes to you