diverticulitis
"Got prescribed Levofloxacin 750 MG once daily for 5 days and Metronidazole 500MG three times daily for 10 days for a bad diverticulitis flare up. First night on the metronidazole (Flagyl) was absolutely brutal. Pain went from 6/10 to a 10/10 about 3 hours from ingestion. Although this antibiotic is pretty aggressive, stick with it. Every pill gets easier to take than the one before. Try to take it with something on your stomach.  I ate some soft white bread and yogurt and a glass of water.  Rough first couple days, but I'm on day 5 of the meds and feeling almost back to normal."