 [ Symptoms ] does amoxicillin alter your menstral cycle and does it interfere with my birth control pills i went to urgent care and diagnosed was with an ear infection and really bad congestion they prescribed amoxicillin to me but i did not think to ask if it would interfere with my birth control but my concern is that the day i started my antibiotic was the day my period was suppose to start i typically do not start right on sunday more like monday night but its now friday and i have not started i am suppose to start my new pill pack this coming sunday should i be worried or is their an answer [ Disease ] i guess you can come in work in my clinic or volunteer at a day care center those things should get you sick some people are just blessed with a wonderful protective immune system the average person gets about three colds a year you are getting one now if you would just quit smoking and start eating better there would be no stopping you even people with great immune systems can get better i have an aunt who never smoked ate very sensibly mostly foods that she grew herself very little meat worked hard in the garden and around the house she passed away this morning at 98 a long and healthy life i wish that for you