 [ Symptoms ] medication and pregnancy inquiry i am planning on trying to get pregnant in mid january 2015  i had a back issue dec 7 2015 and was given dexamethasone injection to help with it at urgent care because i was desperate for relief before my wedding i was given one injection on my lower back the dosage is unknown  i am unsure how long the medicine will be in my system  i do not want to get pregnant unless i know the dexamethasone will be out of my system by then  am i safe to get pregnant if not how long is it in your system [ Disease ] take pepto bismol