"i got mine inserted a month and a half ago. so far, i have experienced some dizziness, lightheaded, very random nausea, random/light spotting, headaches, a little weight gain and heartburn (but both are because i have been eating crappy) headaches are becoming more frequent now but tylenol helps. nausea hits randomly, i could be eating something and within a few seconds i cannot even fathom it anymore. i have not had a full on period since getting this but i did bleed a bit heavily for about 3-4 days just two weeks after getting the implant. since then, just super light off and on spotting (not even enough for a panty liner though). i do get annoyed a little more easily, not much of a sex drive either. not pregnant though!"