my 6 mo old does not sleep well!!!

so my 6 mo old boy just started crying and throwing a huge fit when we try to get him to bed. i feed him some rice cerial and give him a bath then i give him a message and read to him then i try and give him a bottle and lay him down in his favorite blanket..but he just wont have it! he Screams for hours before he will even calm down enough to eat...i am preg again and i am so exahsted i cant handle it!!! he usually would go to sleep really easily around 9 or 10 but 9 its 11 or 12 before i finallt fight him to sleep!!! then he wakes up at 2 am and does the same thing!! he is wide awake he wont eat its so stressful!!! he will usually wake up 3-4 times during the night i am so drown out! i have taken him to the doc checked for ear infection or anything else that is not immediately obvious! nothing. teething maybe??? anyone else have this prob or any tips on how to fix it?

have you tried white noise or a fan or anything? You can just put your radio on a static channel, turned down low. Sometimes all they need is a little noise~ I can't sleep well if it is completely quiet~ I hear everything & anything that makes even the slightest noise