My mother is 73 years old. She had the flu and now has a  horrible hacking cough which she got from me because I was real sick. She was taking an antibiotic levofloxacin , very small dosage ,because she is so petite and cannot handle adult doses of medicine.  She took it for 3 days. She hated it. It made her feel wired.  She quit taking it.Can she  and should she start taking a different antibiotic, amoxicillin now to fight infection?
HI, thanks for using Chat Doctor Another antibiotic may be helpful if there is a bacterial aspect to her infection. Her doctor can assess her to see if this is necessary. In some persons the coughing, even if productive may be related to viral infection such as viral bronchitis or viral pneumonia. She may need a bucolic to help break up the mucus in her chest so that it can be expelled easily, e.g. bipolar, Mucomyst, guifenesinI hope this helps