Azithromycin
"Starting taking for cough and chest congestion, day 1 real good, some stomach cramps could NOT sleep...day 2 some stomach cramps could NOT sleep, day 3 stomach cramps AGAIN COULD NOT SLEEP, glad i got a doctors note for work cause its 3 days and NO sleep...good for the cough but so bad for the restlessness and constant vigor !!!!!!!!!!!!!"