Patient : Can antibiotics cause a prolonged menstrual cycle? I had strep and it was bad, 104 fever and antibiotics for 8 days. My menstrual cycle has lasted for about 9 days now. I have stated my new birth control packet and I am 5 days in. What is going on?
These Q&A’s are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.