Stomach flu or gastroenteritis is caused by a contagious virus. Learn about stomach flu symptoms and home remedies to relieve dehydration and diarrhea. Stomach flu or gastroenteritis is caused by a contagious virus. Learn about stomach flu symptoms and home remedies to relieve dehydration and diarrhea.
Antibiotic resistance is the ability of bacteria to resist the effects of an antibiotic â that is, the bacteria are not killed, and their growth is not stopped. Resistant bacteria survive exposure to the antibiotic and continue to multiply in the body, potentially causing more harm and spreading to other animals or people.
MRSA is a type of bacteria thatâs resistant to certain antibiotics. Itâs important to use antibiotics appropriately and to take the medication exactly as directed. 1  Take all doses of the antibiotic, even if the infection is getting better. 2  Donât stop taking the antibiotic unless your doctor tells you to stop.