my neighbor is 87. his family got ahold of frontline drs...they prescribed the above...he is alive...after 3 weeks...still on oxygen..but alive...he was in hospital...they did nothing..he wife felt they were just waiting to put him on a vent..she felt he would die at the hospital...she brought him home..family has been caring for him.. had dr and nurses coming to the house..this 87 is a very active otherwise...his wife 77. ..bless god for these drs.