And if heart issues are suspected, the sooner he stops alcohol and smoke the better.
Diuretics can help to decrease swelling but if already low in sodium has to be closely monitored.
Unfortunately, there are cases of people that are dead before been able to change its habits.
Does he knows that a sudden drop of sodium can be lethal?
Jesus
When I had severe low sodium levels I was placed on fluid restriction. No more than 24 oz of liquid per day. It was terrible but it worked and I.lived that way for 7 yrs until they found what caused it.