IL17A and migraine disorder: Furthermore, we found higher levels of IL-17 (9.46 ± 1.06 in CM vs. 7.61 ± 2.12 in EM, p = 0.030), IL-6 (4.95 ± 2.84 in CM vs. 1.52 ± 0.98 non-migraine subjects, p = 0.016), and TNFα in chronic migraine patients (0.46 ± 0.24 in CM vs. 0.20 ± 0.05 in non-migraine, p = 0.011 and vs. 0.20 ± 0.13 in EM, p = 0.016).