{'fraction_non_alphanumeric': 0.016908212560386472, 'fraction_numerical': 0.004830917874396135, 'mean_word_length': 5.007246376811594, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Letter to the Editor

The patients were followed for 2 to several months before treatment and for 1 to 6 months on treatment. During the trial, no other prophylactic medication or physical therapy was used. One patient became virtually headache-free during 4 months on baclofen, and remained so for another month after discontinuation of treatment. Side effects in three patients included mental depression in one patient, pronounced dizziness in another and increased headaches in a third which necessitated stopping the drug. In two other patients, no effect of the treatment nor side effects were noted. In summary, this pilot study shows no beneficial effect of baclofen on muscle contraction headache. In addition, the side effects were sufficient to discourage extension of the trial to a larger controlled clinical study.