Hi suportive and welcome to SR .. Glad you are here and many others will be around with well wishes and advice soon ....
Detoxing is actually very dangerous and should never be done without medical care. I've learned that here . Detoxing from alcohol is actually more dangerous than detoxing from drugs . You may want to think of taking him to the ER to get his vitals checked , even though its been a few days , its not too late .. or to his own Dr at the very least . Admission is definitely the first step but there are many many more . Its a long process . He is very lucky to have you .. Read some of the stickys about detoxing on the top of the forum . Lots of luck being wished for you and prayers being said !
M