MY SON HAS AN ANXIETY DISORDER,PLUS SOME PHOBIAS..NOT BAD FOR

MY SON HAS AN ANXIETY DISORDER,PLUS SOME PHOBIAS..NOT BAD FOR THAT..DEPRESSION AS WELL...HE HAS BEEN ON AND OFF OF ZOLOFT FOR YEARS!!!! WHEN THINGS GO WELL..NO PROBLEM...HE HAS HAD SOME ISSUES LATELY,HE IS IN FLA.VISITING ..AS HE COMES EVERY YEAR...THE 1ST FEW DAYS WERE FINE AND THE LAST 5 DAYS,HE IS UP AND DOWN...MOSTLY DOWN...HE HAS OBSSESSIONS ABT FOOD RIGHT NOW...HE THINKS THERE IS SOMETHING PHISICALLY WRONG WITH HIM...IT HAS HAPPENED FOR A LONG TIME ON AND OFF AS I SAID..HE IS DUE TO GO HOME IN COLS.OH ON TUESDAY ..HIS WIFE WILL TAKE HIM AND SPEAK TO HIS DR. HOWEVER,WHAT DO WE DO TO HELP TIL THEN..SHOULD HE STAY HERE WHERE HE IS NOT ALONE,OR GO HOME..HIS WIFE IS A RN BUT ALSO TEACHES NURSES...BIG JOB AND IS NOT HOME VERY MUCH..DAUGHTERS ARE GROWN AND AVE THEIR LIVES ..HE JUST TURNED 50..MARRIED YOUNG..HELP PLEASE ASAP...