 [ Symptoms ] for 3 months now i have had severe nausea cant hold anything down [ Disease ] hi thanks for the query many a time post epidural injection the individual can feel pain but it tend to subside gradually with relieving the symptoms that has led to epidural injection but in case if pain in intolerable then you should consult your surgeon and get evaluated and yu can be advised pain relievers also an examination to check for infection should be done hope this information helps