IL6 and cyclic hematopoiesis: Serum IL6 levels were significantly increased in the CH untreated and pretreated groups than in the control group (139.7 ± 4.27 vs. 94.39 ± 3.79 pg/mL, p < 0.001); paroxetine pre-treatment decreased IL6 levels compared to the CH untreated group (93.55 ± 5.8 vs. 139.7 ± 4.27 pg/mL, p < 0.001).