[Use of azathioprine in the treatment of chronic form of Guillain-Barré syndrome].

After discussing the clinical problems of the chronic form of Guillain-Barré syndrome the authors describe 8 own cases, treated with azathioprine 100 mg daily. In 3 cases drug tolerance was poor and the treatment had to be stopped. Considerable improvement was achieved in 3 cases, slight in 1, and no improvement in one patient.