My Husband Has Bloating, Upset Stomach, Pain Nausea, Pain In

my husband has bloating, upset stomach, pain nausea, pain in back. very little bowel movement and hes a everyday person. he took 2 stool softners nothing, 2 senna tabs nothing, milk of mag produced small balls and no real movement. he is so uncomfortable and has not eaten for 2 days. should he take citrate of mag