Baby fall from bed. Injury z possible?

My baby fall from bed 2 nhalf feet..it was my mistake..he screamed n then cried that tym he was alone in room wen I saw him he z fallen on the floor on his back after that he cried for 4 to 5 mins and then I feed him then he sleeps but I woke him up then he plays n smiles lyk normal...next day I visited to pediatrician n tells him d situation he said that the kid z looking normal just I have to watch him next 24 hours for vomiting n consciousness..he did not vomit n everything remains normal today is 2 day n in Eve he cries uncontrollably he does this before also but m scared I didn't tell about this incident in my home I now they vl blame me..but every time he cries or irrattate because of no reason I suspect it that may b this was because of that.I fell lyk I vl die because f this tension pls help me..is that possible after 2 days something happens due to that fall? baby is ok? Vl he b Ok in future??Long term side effects are possible? inside brain injury z possible?m so guilty help