Antibiotic Resistance is a global crisis – a slow-motion tsunami. Antibiotic resistance is as dangerous as terrorism. World’s 1st Antibiotic Awareness Week: 16-22 Nov 2015. WHO names 12 bacteria that pose the greatest threat to human health. Use, Overuse and misuse of antibiotics. Use antibiotics wisely because it kills both good (microbial flora) and bad bacteria. The most common bad effect of antibiotic is diarrhea. Taking antibiotics after the infection has cleared up increases the risk of bacteria becoming drug-resistant. Use homeopathy in primary health care and save antibiotics for bigger battles.