Neutropenia is a common complication of chemotherapy in leukemic patients. An herbal formulation of chamomile was hypothesized to be effective on neutropenia. A group of healthy volunteers and two groups of patients received chamomile oral drop to be compared with a control group of neutropenic patients. Results showed an increase of white blood cells and resolution of neutropenia in all groups except for the control group. In conclusion, chamomile could be used as an effective complementary medicine for increasing the immunity of neutropenic patients (in addition to healthy individuals).

Keywords: Chamomile; Leukemia; Chemotherapy; Neutropenia; Integrative Medicine; Persian Medicine