 [ Symptoms ] on antibiotics for 48 hours for fever + drainage is it ok to also take advil for a headache  48 hours ago i was prescribed antibiotics flonase and an expectorant   my fever seems to have dropped from a high of 102 0 the first night to ~ 99 98 8   99 6 today however my eyes hurt my sinuses seem inflamedsensitive to touch i would like to take advil for a headache any advice [ Disease ] hi the long term effect is you wont do it again without looking at what your doing as for anything else you should be ok i do not know of any long term effects of getting the odd shock had a few worked as an electrician for to many years but they do wake you up as you found out good luck