For example, IFN-β taken through painful injections has a number of side effects including flu-like symptoms, menstrual disorders in women, decrease in neutrophil and white blood cell count, increase in aspartate transaminase (AST) and alanine transaminase (ALT) levels, and development of neutralizing antibodies to IFN-β [3,29,30]. Here, IFNB1 is linked to Menstrual disorder.