I noticed a post from a female back in June in regard to the hair loss. I am an African American female who has adult onset asthma. I am taking singulair b/c I have episodes every few months where the asthma just wears me out to the point I can't get out of bed and the phlegm is thick and yucky as can be? The singulair I am assuming has made my hair shed beyond disbelief. I took sandwich bags of hair to my stylist. I had sinus surgery back in August and initially I thought it was anesthesia? MY anesthisioligist found this site for me. Has anyone experienced hair loss?