Just come back you people or you be fine !! coz if visa in passport is not expired then you are 100% in and In PORT OF ENTRY if they ask you why your SEVIS is Inactive then just say same thing you said " it was an emergency treatment that i went to Nepal". Plus you have everything renewed so you don't have to worry. Lastly , try to move up you grade,  later you gonna be [Disallowed String for - banned word]ed up !