Wood, 61, has fought a long battle with alcoholism during his rock 'n' roll career, which started in the 1960s when he played with the band The Faces.
His spokeswoman didn't release any details about the treatment he will receive or the clinic that he entered.
The craggy guitarist had seemed to be in good health in recent years. He has developed a strong second career as an artist, selling his paintings at some of London's respected art galleries.
But he has been the focus of feverish recent newspaper reports about his resuming drinking.
