Welcome to HCM.
You are on Tri-Sprintec
birth control pill for 24 days and now presents with abnormal menstrual bleeding
for 12 days with bad smell.
It is due to hormonal
imbalance or side effect caused by the OCP or underlying uterine pathology.
Bad smell indicates some sort of infection associated with that.
First of all you do a fresh USG lower abdomen for evaluating underlying uterine pathology along with thyroid profile.Then consult with your doctor.
You may take Metrogyl
400mg TDS to prevent vaginal infection
.Also maintain personal hygiene,keep the private area clean and dry and wear clean cotton underwear.
Take OCP on schedule time to avoid unnecessary side effects in future.